56173632 has 56 divisors (see below), whose sum is σ = 149266656. Its totient is φ = 18643968.

The previous prime is 56173603. The next prime is 56173639. The reversal of 56173632 is 23637165.

It is a junction number, because it is equal to n+sod(n) for n = 56173593 and 56173602.

It is not an unprimeable number, because it can be changed into a prime (56173639) 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, 58468 + ... + 59420.

It is an arithmetic number, because the mean of its divisors is an integer number (2665476).

Almost surely, 2^56173632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56173632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74633328).

56173632 is an abundant number, since it is smaller than the sum of its proper divisors (93093024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56173632 is a wasteful number, since it uses less digits than its factorization.

56173632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275 (or 1265 counting only the distinct ones).

The product of its digits is 22680, while the sum is 33.

The square root of 56173632 is about 7494.9070708048. The cubic root of 56173632 is about 382.9812405739.

The spelling of 56173632 in words is "fifty-six million, one hundred seventy-three thousand, six hundred thirty-two".