56319500 has 48 divisors (see below), whose sum is σ = 124767552. Its totient is φ = 22204800.

The previous prime is 56319493. The next prime is 56319559. The reversal of 56319500 is 591365.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35729 + ... + 37271.

It is an arithmetic number, because the mean of its divisors is an integer number (2599324).

Almost surely, 2^56319500 is an apocalyptic number.

56319500 is a gapful number since it is divisible by the number (50) 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 56319500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62383776).

56319500 is an abundant number, since it is smaller than the sum of its proper divisors (68448052).

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

56319500 is a wasteful number, since it uses less digits than its factorization.

56319500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635 (or 1623 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 56319500 is about 7504.6319030316. The cubic root of 56319500 is about 383.3124542293.

The spelling of 56319500 in words is "fifty-six million, three hundred nineteen thousand, five hundred".