56391060 has 96 divisors (see below), whose sum is σ = 176343552. Its totient is φ = 13345920.

The previous prime is 56391059. The next prime is 56391131. The reversal of 56391060 is 6019365.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27387 + ... + 29373.

It is an arithmetic number, because the mean of its divisors is an integer number (1836912).

Almost surely, 2^56391060 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 56391060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88171776).

56391060 is an abundant number, since it is smaller than the sum of its proper divisors (119952492).

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

56391060 is a wasteful number, since it uses less digits than its factorization.

56391060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053 (or 2051 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 56391060 is about 7509.3981116998. The cubic root of 56391060 is about 383.4747321253.

The spelling of 56391060 in words is "fifty-six million, three hundred ninety-one thousand, sixty".