56983155 has 8 divisors (see below), whose sum is σ = 91173072. Its totient is φ = 30391008.

The previous prime is 56983151. The next prime is 56983159. The reversal of 56983155 is 55138965.

It is an interprime number because it is at equal distance from previous prime (56983151) and next prime (56983159).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56983155 - 2² = 56983151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56983151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1899424 + ... + 1899453.

It is an arithmetic number, because the mean of its divisors is an integer number (11396634).

Almost surely, 2^56983155 is an apocalyptic number.

56983155 is a deficient number, since it is larger than the sum of its proper divisors (34189917).

56983155 is a wasteful number, since it uses less digits than its factorization.

56983155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3798885.

The product of its digits is 162000, while the sum is 42.

The square root of 56983155 is about 7548.7187654595. The cubic root of 56983155 is about 384.8121982805.

The spelling of 56983155 in words is "fifty-six million, nine hundred eighty-three thousand, one hundred fifty-five".