56500072 has 32 divisors (see below), whose sum is σ = 111945600. Its totient is φ = 26659584.

The previous prime is 56500057. The next prime is 56500079. The reversal of 56500072 is 27000565.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (56500079) 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, 50673 + ... + 51775.

It is an arithmetic number, because the mean of its divisors is an integer number (3498300).

Almost surely, 2^56500072 is an apocalyptic number.

It is an amenable number.

56500072 is a deficient number, since it is larger than the sum of its proper divisors (55445528).

56500072 is a wasteful number, since it uses less digits than its factorization.

56500072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465 (or 1461 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 56500072 is about 7516.6529785537. The cubic root of 56500072 is about 383.7216769372.

The spelling of 56500072 in words is "fifty-six million, five hundred thousand, seventy-two".