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55012892 = 2211310333
BaseRepresentation
bin1101000111011…
…0111000011100
310211111221111112
43101312320130
5103040403032
65243041152
71235413304
oct321667034
9124457445
1055012892
1129065000
12165101b8
13b52200c
147440604
154c6a1b2
hex3476e1c

55012892 has 24 divisors (see below), whose sum is σ = 105902832. Its totient is φ = 25003440.

The previous prime is 55012883. The next prime is 55012897. The reversal of 55012892 is 29821055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55012897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158 + ... + 10490.

It is an arithmetic number, because the mean of its divisors is an integer number (4412618).

Almost surely, 255012892 is an apocalyptic number.

It is an amenable number.

55012892 is a deficient number, since it is larger than the sum of its proper divisors (50889940).

55012892 is a wasteful number, since it uses less digits than its factorization.

55012892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10370 (or 10346 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 55012892 is about 7417.0676146305. The cubic root of 55012892 is about 380.3249574900.

The spelling of 55012892 in words is "fifty-five million, twelve thousand, eight hundred ninety-two".

Divisors: 1 2 4 11 22 44 121 242 484 1331 2662 5324 10333 20666 41332 113663 227326 454652 1250293 2500586 5001172 13753223 27506446 55012892