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55838936 = 2331225157
BaseRepresentation
bin1101010100000…
…0100011011000
310220001220121202
43111000203120
5103243321221
65312453332
71245423506
oct325004330
9126056552
1055838936
112957968a
121684a248
13b750cba
1475b7676
154d7ed0b
hex35408d8

55838936 has 16 divisors (see below), whose sum is σ = 108075840. Its totient is φ = 27018720.

The previous prime is 55838927. The next prime is 55838969. The reversal of 55838936 is 63983855.

It is a happy number.

It is a super-2 number, since 2×558389362 = 6235973547224192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112331 + ... + 112826.

It is an arithmetic number, because the mean of its divisors is an integer number (6754740).

Almost surely, 255838936 is an apocalyptic number.

It is an amenable number.

55838936 is a deficient number, since it is larger than the sum of its proper divisors (52236904).

55838936 is a wasteful number, since it uses less digits than its factorization.

55838936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225194 (or 225190 counting only the distinct ones).

The product of its digits is 777600, while the sum is 47.

The square root of 55838936 is about 7472.5454833009. The cubic root of 55838936 is about 382.2190934533.

The spelling of 55838936 in words is "fifty-five million, eight hundred thirty-eight thousand, nine hundred thirty-six".

Divisors: 1 2 4 8 31 62 124 248 225157 450314 900628 1801256 6979867 13959734 27919468 55838936