56472745 has 12 divisors (see below), whose sum is σ = 78831684. Its totient is φ = 38724000.

The previous prime is 56472739. The next prime is 56472799. The reversal of 56472745 is 54727465.

It can be written as a sum of positive squares in 2 ways, for example, as 25969216 + 30503529 = 5096^2 + 5523^2 .

It is a de Polignac number, because none of the positive numbers 2^k-56472745 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56472698 and 56472707.

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, 115006 + ... + 115495.

It is an arithmetic number, because the mean of its divisors is an integer number (6569307).

Almost surely, 2^56472745 is an apocalyptic number.

It is an amenable number.

56472745 is a deficient number, since it is larger than the sum of its proper divisors (22358939).

56472745 is a wasteful number, since it uses less digits than its factorization.

56472745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230520 (or 230513 counting only the distinct ones).

The product of its digits is 235200, while the sum is 40.

The square root of 56472745 is about 7514.8349948618. The cubic root of 56472745 is about 383.6598029554.

The spelling of 56472745 in words is "fifty-six million, four hundred seventy-two thousand, seven hundred forty-five".