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55022608 = 2417202289
BaseRepresentation
bin1101000111100…
…1010000010000
310211112102211101
43101321100100
5103041210413
65243154144
71235453524
oct321712020
9124472741
1055022608
1129071333
1216515954
13b526574
147443d84
154c6cedd
hex3479410

55022608 has 20 divisors (see below), whose sum is σ = 112877820. Its totient is φ = 25892864.

The previous prime is 55022603. The next prime is 55022621. The reversal of 55022608 is 80622055.

It can be written as a sum of positive squares in 2 ways, for example, as 23348224 + 31674384 = 4832^2 + 5628^2 .

It is a super-2 number, since 2×550226082 = 6054974782243328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55022603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100873 + ... + 101416.

It is an arithmetic number, because the mean of its divisors is an integer number (5643891).

Almost surely, 255022608 is an apocalyptic number.

It is an amenable number.

55022608 is an abundant number, since it is smaller than the sum of its proper divisors (57855212).

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

55022608 is a wasteful number, since it uses less digits than its factorization.

55022608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202314 (or 202308 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 55022608 is about 7417.7225615414. The cubic root of 55022608 is about 380.3473463013.

The spelling of 55022608 in words is "fifty-five million, twenty-two thousand, six hundred eight".

Divisors: 1 2 4 8 16 17 34 68 136 272 202289 404578 809156 1618312 3236624 3438913 6877826 13755652 27511304 55022608