56987043 has 12 divisors (see below), whose sum is σ = 80716440. Its totient is φ = 35756032.

The previous prime is 56987039. The next prime is 56987069. The reversal of 56987043 is 34078965.

It is a happy number.

It is not a de Polignac number, because 56987043 - 2² = 56987039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56986986 and 56987004.

It is not an unprimeable number, because it can be changed into a prime (56987003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31998 + ... + 33731.

It is an arithmetic number, because the mean of its divisors is an integer number (6726370).

Almost surely, 2^56987043 is an apocalyptic number.

56987043 is a deficient number, since it is larger than the sum of its proper divisors (23729397).

56987043 is a wasteful number, since it uses less digits than its factorization.

56987043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65766 (or 65749 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 56987043 is about 7548.9762882129. The cubic root of 56987043 is about 384.8209500821.

The spelling of 56987043 in words is "fifty-six million, nine hundred eighty-seven thousand, forty-three".