56802636 has 72 divisors (see below), whose sum is σ = 157667328. Its totient is φ = 17100000.

The previous prime is 56802631. The next prime is 56802643. The reversal of 56802636 is 63620865.

It is a Smith number, since the sum of its digits (36) 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 (36).

It is a self number, because there is not a number n which added to its sum of digits gives 56802636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56802631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75261 + ... + 76011.

It is an arithmetic number, because the mean of its divisors is an integer number (2189824).

Almost surely, 2^56802636 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 56802636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78833664).

56802636 is an abundant number, since it is smaller than the sum of its proper divisors (100864692).

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

56802636 is a wasteful number, since it uses less digits than its factorization.

56802636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963 (or 958 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 56802636 is about 7536.7523509798. The cubic root of 56802636 is about 384.4054149242.

The spelling of 56802636 in words is "fifty-six million, eight hundred two thousand, six hundred thirty-six".