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552436864 = 2773119889
BaseRepresentation
bin100000111011011…
…000010010000000
31102111111200220121
4200323120102000
52112410434424
6130452350024
716455431050
oct4073302200
91374450817
10552436864
11263921aa1
12135015314
138a5b4725
1453525560
1533774ee4
hex20ed8480

552436864 has 64 divisors (see below), whose sum is σ = 1298419200. Its totient is φ = 229109760.

The previous prime is 552436849. The next prime is 552436873. The reversal of 552436864 is 468634255.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 552436864.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17832 + ... + 37720.

It is an arithmetic number, because the mean of its divisors is an integer number (20287800).

Almost surely, 2552436864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 552436864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (649209600).

552436864 is an abundant number, since it is smaller than the sum of its proper divisors (745982336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

552436864 is a wasteful number, since it uses less digits than its factorization.

552436864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19941 (or 19929 counting only the distinct ones).

The product of its digits is 691200, while the sum is 43.

The square root of 552436864 is about 23503.9754935202. The cubic root of 552436864 is about 820.5295330431.

The spelling of 552436864 in words is "five hundred fifty-two million, four hundred thirty-six thousand, eight hundred sixty-four".

Divisors: 1 2 4 7 8 14 16 28 31 32 56 62 64 112 124 128 217 224 248 434 448 496 868 896 992 1736 1984 3472 3968 6944 13888 19889 27776 39778 79556 139223 159112 278446 318224 556892 616559 636448 1113784 1233118 1272896 2227568 2466236 2545792 4315913 4455136 4932472 8631826 8910272 9864944 17263652 17820544 19729888 34527304 39459776 69054608 78919552 138109216 276218432 552436864