56120983 has 4 divisors (see below), whose sum is σ = 56368440. Its totient is φ = 55873528.

The previous prime is 56120969. The next prime is 56120993. The reversal of 56120983 is 38902165.

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

It is a cyclic number.

It is not a de Polignac number, because 56120983 - 2⁵ = 56120951 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 (56120993) 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, 123388 + ... + 123841.

It is an arithmetic number, because the mean of its divisors is an integer number (14092110).

Almost surely, 2^56120983 is an apocalyptic number.

56120983 is a deficient number, since it is larger than the sum of its proper divisors (247457).

56120983 is a wasteful number, since it uses less digits than its factorization.

56120983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247456.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 56120983 is about 7491.3939290362. The cubic root of 56120983 is about 382.8615528523.

The spelling of 56120983 in words is "fifty-six million, one hundred twenty thousand, nine hundred eighty-three".