56173392 has 80 divisors (see below), whose sum is σ = 175911360. Its totient is φ = 17020800.

The previous prime is 56173391. The next prime is 56173393. The reversal of 56173392 is 29337165.

56173392 is a `hidden beast` number, since 5 + 617 + 3 + 39 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (56173391) and next prime (56173393).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56173391) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 1159 + ... + 10662.

It is an arithmetic number, because the mean of its divisors is an integer number (2198892).

Almost surely, 2^56173392 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 56173392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87955680).

56173392 is an abundant number, since it is smaller than the sum of its proper divisors (119737968).

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

56173392 is a wasteful number, since it uses less digits than its factorization.

56173392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11849 (or 11837 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 56173392 is about 7494.8910599154. The cubic root of 56173392 is about 382.9806951482.

It can be divided in two parts, 56173 and 392, that added together give a palindrome (56565).

The spelling of 56173392 in words is "fifty-six million, one hundred seventy-three thousand, three hundred ninety-two".