56133760 has 64 divisors (see below), whose sum is σ = 135374400. Its totient is φ = 22256640.

The previous prime is 56133757. The next prime is 56133769. The reversal of 56133760 is 6733165.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (56133769) 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, 88645 + ... + 89275.

It is an arithmetic number, because the mean of its divisors is an integer number (2115225).

Almost surely, 2^56133760 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 56133760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67687200).

56133760 is an abundant number, since it is smaller than the sum of its proper divisors (79240640).

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

56133760 is a wasteful number, since it uses less digits than its factorization.

56133760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789 (or 777 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 56133760 is about 7492.2466590469. The cubic root of 56133760 is about 382.8906058649.

The spelling of 56133760 in words is "fifty-six million, one hundred thirty-three thousand, seven hundred sixty".