56405652 has 24 divisors (see below), whose sum is σ = 133845600. Its totient is φ = 18482976.

The previous prime is 56405617. The next prime is 56405659. The reversal of 56405652 is 25650465.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56405659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39127 + ... + 40542.

It is an arithmetic number, because the mean of its divisors is an integer number (5576900).

Almost surely, 2^56405652 is an apocalyptic number.

It is an amenable number.

56405652 is an abundant number, since it is smaller than the sum of its proper divisors (77439948).

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

56405652 is a wasteful number, since it uses less digits than its factorization.

56405652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79735 (or 79733 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 56405652 is about 7510.3696313830. The cubic root of 56405652 is about 383.5078058118.

The spelling of 56405652 in words is "fifty-six million, four hundred five thousand, six hundred fifty-two".