56471725 has 12 divisors (see below), whose sum is σ = 70123860. Its totient is φ = 45113600.

The previous prime is 56471717. The next prime is 56471741. The reversal of 56471725 is 52717465.

It can be written as a sum of positive squares in 6 ways, for example, as 2022084 + 54449641 = 1422^2 + 7379^2 .

It is not a de Polignac number, because 56471725 - 2³ = 56471717 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25461 + ... + 27589.

It is an arithmetic number, because the mean of its divisors is an integer number (5843655).

Almost surely, 2^56471725 is an apocalyptic number.

It is an amenable number.

56471725 is a deficient number, since it is larger than the sum of its proper divisors (13652135).

56471725 is a wasteful number, since it uses less digits than its factorization.

56471725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200 (or 3195 counting only the distinct ones).

The product of its digits is 58800, while the sum is 37.

The square root of 56471725 is about 7514.7671287938. The cubic root of 56471725 is about 383.6574930780.

The spelling of 56471725 in words is "fifty-six million, four hundred seventy-one thousand, seven hundred twenty-five".