50557056 has 64 divisors (see below), whose sum is σ = 146512800. Its totient is φ = 15319040.

The previous prime is 50557037. The next prime is 50557097. The reversal of 50557056 is 65075505.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×50557056² = 5112031822774272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1761 + ... + 10208.

Almost surely, 2^50557056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50557056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73256400).

50557056 is an abundant number, since it is smaller than the sum of its proper divisors (95955744).

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

50557056 is a wasteful number, since it uses less digits than its factorization.

50557056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11997 (or 11985 counting only the distinct ones).

The product of its (nonzero) digits is 26250, while the sum is 33.

The square root of 50557056 is about 7110.3485146651. The cubic root of 50557056 is about 369.7662414389.

The spelling of 50557056 in words is "fifty million, five hundred fifty-seven thousand, fifty-six".