56231725 has 36 divisors (see below), whose sum is σ = 79408980. Its totient is φ = 39424000.

The previous prime is 56231723. The next prime is 56231729. The reversal of 56231725 is 52713265.

56231725 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 6 ways, for example, as 609961 + 55621764 = 781^2 + 7458^2 .

It is not a de Polignac number, because 56231725 - 2¹ = 56231723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56231723) 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 35 ways as a sum of consecutive naturals, for example, 87405 + ... + 88045.

It is an arithmetic number, because the mean of its divisors is an integer number (2205805).

Almost surely, 2^56231725 is an apocalyptic number.

56231725 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56231725 is a deficient number, since it is larger than the sum of its proper divisors (23177255).

56231725 is a wasteful number, since it uses less digits than its factorization.

56231725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702 (or 686 counting only the distinct ones).

The product of its digits is 12600, while the sum is 31.

The square root of 56231725 is about 7498.7815676948. The cubic root of 56231725 is about 383.1132174656.

The spelling of 56231725 in words is "fifty-six million, two hundred thirty-one thousand, seven hundred twenty-five".