56766402 has 72 divisors (see below), whose sum is σ = 156107952. Its totient is φ = 14742000.

The previous prime is 56766379. The next prime is 56766419. The reversal of 56766402 is 20466765.

56766402 is a `hidden beast` number, since 5 + 6 + 7 + 6 + 640 + 2 = 666.

56766402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6777 + ... + 12627.

It is an arithmetic number, because the mean of its divisors is an integer number (2168166).

Almost surely, 2^56766402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56766402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78053976).

56766402 is an abundant number, since it is smaller than the sum of its proper divisors (99341550).

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

56766402 is a wasteful number, since it uses less digits than its factorization.

56766402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5884 (or 5874 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 56766402 is about 7534.3481469866. The cubic root of 56766402 is about 384.3236610393.

The spelling of 56766402 in words is "fifty-six million, seven hundred sixty-six thousand, four hundred two".