56405152 has 12 divisors (see below), whose sum is σ = 111047706. Its totient is φ = 28202560.

The previous prime is 56405147. The next prime is 56405171. The reversal of 56405152 is 25150465.

It can be written as a sum of positive squares in only one way, i.e., 55413136 + 992016 = 7444^2 + 996^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 56405152.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 881299 + ... + 881362.

Almost surely, 2^56405152 is an apocalyptic number.

It is an amenable number.

56405152 is a deficient number, since it is larger than the sum of its proper divisors (54642554).

56405152 is a wasteful number, since it uses less digits than its factorization.

56405152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762671 (or 1762663 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 56405152 is about 7510.3363439995. The cubic root of 56405152 is about 383.5066726247.

The spelling of 56405152 in words is "fifty-six million, four hundred five thousand, one hundred fifty-two".