56978892 has 36 divisors (see below), whose sum is σ = 144425736. Its totient is φ = 18940800.

The previous prime is 56978863. The next prime is 56978923. The reversal of 56978892 is 29887965.

It is a happy number.

56978892 is a `hidden beast` number, since 569 + 78 + 8 + 9 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (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, 12463 + ... + 16409.

It is an arithmetic number, because the mean of its divisors is an integer number (4011826).

Almost surely, 2^56978892 is an apocalyptic number.

It is an amenable number.

56978892 is an abundant number, since it is smaller than the sum of its proper divisors (87446844).

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

56978892 is a wasteful number, since it uses less digits than its factorization.

56978892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4358 (or 4353 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 56978892 is about 7548.4363943800. The cubic root of 56978892 is about 384.8026019047.

The spelling of 56978892 in words is "fifty-six million, nine hundred seventy-eight thousand, eight hundred ninety-two".