56188356 has 96 divisors (see below), whose sum is σ = 158269440. Its totient is φ = 15168384.

The previous prime is 56188331. The next prime is 56188357. The reversal of 56188356 is 65388165.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (56188357) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 245250 + ... + 245478.

It is an arithmetic number, because the mean of its divisors is an integer number (1648640).

Almost surely, 2^56188356 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 56188356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79134720).

56188356 is an abundant number, since it is smaller than the sum of its proper divisors (102081084).

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

56188356 is a wasteful number, since it uses less digits than its factorization.

56188356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393 (or 391 counting only the distinct ones).

The product of its digits is 172800, while the sum is 42.

The square root of 56188356 is about 7495.8892734618. The cubic root of 56188356 is about 383.0146994701.

The spelling of 56188356 in words is "fifty-six million, one hundred eighty-eight thousand, three hundred fifty-six".