56290788 has 60 divisors (see below), whose sum is σ = 149288832. Its totient is φ = 18491760.

The previous prime is 56290781. The next prime is 56290789. The reversal of 56290788 is 88709265.

56290788 is a `hidden beast` number, since 562 + 9 + 0 + 7 + 88 = 666.

It is not an unprimeable number, because it can be changed into a prime (56290781) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21781 + ... + 24227.

Almost surely, 2^56290788 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 56290788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74644416).

56290788 is an abundant number, since it is smaller than the sum of its proper divisors (92998044).

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

56290788 is a wasteful number, since it uses less digits than its factorization.

56290788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2534 (or 2523 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 56290788 is about 7502.7187072421. The cubic root of 56290788 is about 383.2473048704.

The spelling of 56290788 in words is "fifty-six million, two hundred ninety thousand, seven hundred eighty-eight".