56173472 has 12 divisors (see below), whose sum is σ = 110591586. Its totient is φ = 28086720.

The previous prime is 56173459. The next prime is 56173483. The reversal of 56173472 is 27437165.

It can be written as a sum of positive squares in only one way, i.e., 56010256 + 163216 = 7484^2 + 404^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 877679 + ... + 877742.

Almost surely, 2^56173472 is an apocalyptic number.

It is an amenable number.

56173472 is a deficient number, since it is larger than the sum of its proper divisors (54418114).

56173472 is a wasteful number, since it uses less digits than its factorization.

56173472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755431 (or 1755423 counting only the distinct ones).

The product of its digits is 35280, while the sum is 35.

The square root of 56173472 is about 7494.8963968823. The cubic root of 56173472 is about 382.9808769570.

The spelling of 56173472 in words is "fifty-six million, one hundred seventy-three thousand, four hundred seventy-two".