55983057 has 24 divisors (see below), whose sum is σ = 85409856. Its totient is φ = 32418048.

The previous prime is 55983049. The next prime is 55983061. The reversal of 55983057 is 75038955.

It is not a de Polignac number, because 55983057 - 2³ = 55983049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55983007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8788 + ... + 13754.

It is an arithmetic number, because the mean of its divisors is an integer number (3558744).

Almost surely, 2^55983057 is an apocalyptic number.

It is an amenable number.

55983057 is a deficient number, since it is larger than the sum of its proper divisors (29426799).

55983057 is a wasteful number, since it uses less digits than its factorization.

55983057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5017 (or 5000 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 42.

The square root of 55983057 is about 7482.1826361029. The cubic root of 55983057 is about 382.5476483851.

The spelling of 55983057 in words is "fifty-five million, nine hundred eighty-three thousand, fifty-seven".