56188392 has 64 divisors (see below), whose sum is σ = 153410880. Its totient is φ = 17044992.

The previous prime is 56188369. The next prime is 56188393. The reversal of 56188392 is 29388165.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (56188393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21543 + ... + 24009.

It is an arithmetic number, because the mean of its divisors is an integer number (2397045).

Almost surely, 2^56188392 is an apocalyptic number.

56188392 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56188392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76705440).

56188392 is an abundant number, since it is smaller than the sum of its proper divisors (97222488).

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

56188392 is a wasteful number, since it uses less digits than its factorization.

56188392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2562 (or 2558 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 56188392 is about 7495.8916747776. The cubic root of 56188392 is about 383.0147812696.

The spelling of 56188392 in words is "fifty-six million, one hundred eighty-eight thousand, three hundred ninety-two".