56293985 has 32 divisors (see below), whose sum is σ = 76944384. Its totient is φ = 39168000.

The previous prime is 56293981. The next prime is 56293997. The reversal of 56293985 is 58939265.

It is not a de Polignac number, because 56293985 - 2² = 56293981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56293981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 233465 + ... + 233705.

It is an arithmetic number, because the mean of its divisors is an integer number (2404512).

Almost surely, 2^56293985 is an apocalyptic number.

56293985 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56293985 is a deficient number, since it is larger than the sum of its proper divisors (20650399).

56293985 is a wasteful number, since it uses less digits than its factorization.

56293985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425.

The product of its digits is 583200, while the sum is 47.

The square root of 56293985 is about 7502.9317603188. The cubic root of 56293985 is about 383.2545601631.

The spelling of 56293985 in words is "fifty-six million, two hundred ninety-three thousand, nine hundred eighty-five".