56307636 has 240 divisors, whose sum is σ = 191571072. Its totient is φ = 13996800.

The previous prime is 56307617. The next prime is 56307679. The reversal of 56307636 is 63670365.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 56307636.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 923046 + ... + 923106.

Almost surely, 2^56307636 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 56307636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95785536).

56307636 is an abundant number, since it is smaller than the sum of its proper divisors (135263436).

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

56307636 is a wasteful number, since it uses less digits than its factorization.

56307636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 36.

The square root of 56307636 is about 7503.8414162348. The cubic root of 56307636 is about 383.2855367418.

The spelling of 56307636 in words is "fifty-six million, three hundred seven thousand, six hundred thirty-six".