56195820 has 36 divisors (see below), whose sum is σ = 170461200. Its totient is φ = 14985504.

The previous prime is 56195819. The next prime is 56195833. The reversal of 56195820 is 2859165.

It is a happy number.

56195820 is a `hidden beast` number, since 561 + 95 + 8 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155920 + ... + 156279.

Almost surely, 2^56195820 is an apocalyptic number.

It is an amenable number.

56195820 is an abundant number, since it is smaller than the sum of its proper divisors (114265380).

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

56195820 is a wasteful number, since it uses less digits than its factorization.

56195820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312214 (or 312209 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 56195820 is about 7496.3871298113. The cubic root of 56195820 is about 383.0316584710.

The spelling of 56195820 in words is "fifty-six million, one hundred ninety-five thousand, eight hundred twenty".