56143955 has 32 divisors (see below), whose sum is σ = 82752000. Its totient is φ = 36451296.

The previous prime is 56143949. The next prime is 56144017. The reversal of 56143955 is 55934165.

It is not a de Polignac number, because 56143955 - 2¹² = 56139859 is a prime.

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, 31724 + ... + 33446.

It is an arithmetic number, because the mean of its divisors is an integer number (2586000).

Almost surely, 2^56143955 is an apocalyptic number.

56143955 is a deficient number, since it is larger than the sum of its proper divisors (26608045).

56143955 is a wasteful number, since it uses less digits than its factorization.

56143955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768 (or 1754 counting only the distinct ones).

The product of its digits is 81000, while the sum is 38.

The square root of 56143955 is about 7492.9269981763. The cubic root of 56143955 is about 382.9137846283.

The spelling of 56143955 in words is "fifty-six million, one hundred forty-three thousand, nine hundred fifty-five".