55799556 has 12 divisors (see below), whose sum is σ = 130198992. Its totient is φ = 18599848.

The previous prime is 55799533. The next prime is 55799563. The reversal of 55799556 is 65599755.

55799556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×55799556² = 6227180899594272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55799499 and 55799508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2324970 + ... + 2324993.

It is an arithmetic number, because the mean of its divisors is an integer number (10849916).

Almost surely, 2^55799556 is an apocalyptic number.

It is an amenable number.

55799556 is an abundant number, since it is smaller than the sum of its proper divisors (74399436).

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

55799556 is a wasteful number, since it uses less digits than its factorization.

55799556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4649970 (or 4649968 counting only the distinct ones).

The product of its digits is 2126250, while the sum is 51.

The square root of 55799556 is about 7469.9100396190. The cubic root of 55799556 is about 382.1292199185.

The spelling of 55799556 in words is "fifty-five million, seven hundred ninety-nine thousand, five hundred fifty-six".