55257036 has 12 divisors (see below), whose sum is σ = 128933112. Its totient is φ = 18419008.

The previous prime is 55257029. The next prime is 55257049. The reversal of 55257036 is 63075255.

55257036 is digitally balanced in base 9, 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).

55257036 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 55256988 and 55257006.

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, 2302365 + ... + 2302388.

It is an arithmetic number, because the mean of its divisors is an integer number (10744426).

Almost surely, 2^55257036 is an apocalyptic number.

It is an amenable number.

55257036 is an abundant number, since it is smaller than the sum of its proper divisors (73676076).

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

55257036 is a wasteful number, since it uses less digits than its factorization.

55257036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4604760 (or 4604758 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 33.

The square root of 55257036 is about 7433.5076511698. The cubic root of 55257036 is about 380.8867472235.

It can be divided in two parts, 5525 and 7036, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 55257036 in words is "fifty-five million, two hundred fifty-seven thousand, thirty-six".