56983547 has 4 divisors (see below), whose sum is σ = 57001776. Its totient is φ = 56965320.

The previous prime is 56983543. The next prime is 56983561. The reversal of 56983547 is 74538965.

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 56983547 - 2² = 56983543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56983543) 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, 3104 + ... + 11117.

It is an arithmetic number, because the mean of its divisors is an integer number (14250444).

Almost surely, 2^56983547 is an apocalyptic number.

56983547 is a deficient number, since it is larger than the sum of its proper divisors (18229).

56983547 is a wasteful number, since it uses less digits than its factorization.

56983547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18228.

The product of its digits is 907200, while the sum is 47.

The square root of 56983547 is about 7548.7447300859. The cubic root of 56983547 is about 384.8130806818.

The spelling of 56983547 in words is "fifty-six million, nine hundred eighty-three thousand, five hundred forty-seven".