56400788 has 6 divisors (see below), whose sum is σ = 98701386. Its totient is φ = 28200392.

The previous prime is 56400787. The next prime is 56400793. The reversal of 56400788 is 88700465.

It can be written as a sum of positive squares in only one way, i.e., 53260804 + 3139984 = 7298^2 + 1772^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56400787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7050095 + ... + 7050102.

It is an arithmetic number, because the mean of its divisors is an integer number (16450231).

Almost surely, 2^56400788 is an apocalyptic number.

It is an amenable number.

56400788 is a deficient number, since it is larger than the sum of its proper divisors (42300598).

56400788 is a wasteful number, since it uses less digits than its factorization.

56400788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14100201 (or 14100199 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 56400788 is about 7510.0458054529. The cubic root of 56400788 is about 383.4967818835.

The spelling of 56400788 in words is "fifty-six million, four hundred thousand, seven hundred eighty-eight".