56883921 has 16 divisors (see below), whose sum is σ = 80668224. Its totient is φ = 35531264.

The previous prime is 56883919. The next prime is 56883923. The reversal of 56883921 is 12938865.

It is an interprime number because it is at equal distance from previous prime (56883919) and next prime (56883923).

It is a cyclic number.

It is not a de Polignac number, because 56883921 - 2¹ = 56883919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56883923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9490 + ... + 14276.

It is an arithmetic number, because the mean of its divisors is an integer number (5041764).

Almost surely, 2^56883921 is an apocalyptic number.

56883921 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

56883921 is a deficient number, since it is larger than the sum of its proper divisors (23784303).

56883921 is a wasteful number, since it uses less digits than its factorization.

56883921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5040.

The product of its digits is 103680, while the sum is 42.

The square root of 56883921 is about 7542.1429978488. The cubic root of 56883921 is about 384.5886898775.

The spelling of 56883921 in words is "fifty-six million, eight hundred eighty-three thousand, nine hundred twenty-one".