56871500 has 48 divisors (see below), whose sum is σ = 141960000. Its totient is φ = 19497600.

The previous prime is 56871487. The next prime is 56871509. The reversal of 56871500 is 517865.

56871500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56871509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4625 + ... + 11624.

It is an arithmetic number, because the mean of its divisors is an integer number (2957500).

Almost surely, 2^56871500 is an apocalyptic number.

56871500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56871500 is an abundant number, since it is smaller than the sum of its proper divisors (85088500).

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

56871500 is a wasteful number, since it uses less digits than its factorization.

56871500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16275 (or 16263 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 56871500 is about 7541.3195131887. The cubic root of 56871500 is about 384.5606953009.

The spelling of 56871500 in words is "fifty-six million, eight hundred seventy-one thousand, five hundred".