56075136 has 128 divisors (see below), whose sum is σ = 164505600. Its totient is φ = 16816128.

The previous prime is 56075111. The next prime is 56075141. The reversal of 56075136 is 63157065.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 56075097 and 56075106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234505 + ... + 234743.

It is an arithmetic number, because the mean of its divisors is an integer number (1285200).

Almost surely, 2^56075136 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 56075136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82252800).

56075136 is an abundant number, since it is smaller than the sum of its proper divisors (108430464).

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

56075136 is a wasteful number, since it uses less digits than its factorization.

56075136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 56075136 is about 7488.3333259144. Note that the first 4 decimals coincide. The cubic root of 56075136 is about 382.7572672255.

The spelling of 56075136 in words is "fifty-six million, seventy-five thousand, one hundred thirty-six".