56420752 has 20 divisors (see below), whose sum is σ = 109748556. Its totient is φ = 28098560.

The previous prime is 56420731. The next prime is 56420753. The reversal of 56420752 is 25702465.

56420752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 37896336 + 18524416 = 6156^2 + 4304^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56420753) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2749 + ... + 10972.

Almost surely, 2^56420752 is an apocalyptic number.

It is an amenable number.

56420752 is a deficient number, since it is larger than the sum of its proper divisors (53327804).

56420752 is a wasteful number, since it uses less digits than its factorization.

56420752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13986 (or 13980 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 56420752 is about 7511.3748408664. The cubic root of 56420752 is about 383.5420249073.

It can be divided in two parts, 564 and 20752, that added together give a square (21316 = 146²).

The spelling of 56420752 in words is "fifty-six million, four hundred twenty thousand, seven hundred fifty-two".