56953983 has 4 divisors (see below), whose sum is σ = 75938648. Its totient is φ = 37969320.

The previous prime is 56953969. The next prime is 56953987. The reversal of 56953983 is 38935965.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 56953983 - 2⁵ = 56953951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56953987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9492328 + ... + 9492333.

It is an arithmetic number, because the mean of its divisors is an integer number (18984662).

Almost surely, 2^56953983 is an apocalyptic number.

56953983 is a deficient number, since it is larger than the sum of its proper divisors (18984665).

56953983 is a wasteful number, since it uses less digits than its factorization.

56953983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18984664.

The product of its digits is 874800, while the sum is 48.

The square root of 56953983 is about 7546.7862696647. The cubic root of 56953983 is about 384.7465200543.

The spelling of 56953983 in words is "fifty-six million, nine hundred fifty-three thousand, nine hundred eighty-three".