56166736 has 80 divisors (see below), whose sum is σ = 124099200. Its totient is φ = 24482304.

The previous prime is 56166731. The next prime is 56166749. The reversal of 56166736 is 63766165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56166731) 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, 202630 + ... + 202906.

It is an arithmetic number, because the mean of its divisors is an integer number (1551240).

Almost surely, 2^56166736 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 56166736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62049600).

56166736 is an abundant number, since it is smaller than the sum of its proper divisors (67932464).

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

56166736 is a wasteful number, since it uses less digits than its factorization.

56166736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356 (or 350 counting only the distinct ones).

The product of its digits is 136080, while the sum is 40.

The square root of 56166736 is about 7494.4470109542. The cubic root of 56166736 is about 382.9655680563.

The spelling of 56166736 in words is "fifty-six million, one hundred sixty-six thousand, seven hundred thirty-six".