56919361 has 4 divisors (see below), whose sum is σ = 57041712. Its totient is φ = 56797012.

The previous prime is 56919353. The next prime is 56919377. The reversal of 56919361 is 16391965.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56919361 - 2³ = 56919353 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56919301) 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, 60475 + ... + 61408.

It is an arithmetic number, because the mean of its divisors is an integer number (14260428).

Almost surely, 2^56919361 is an apocalyptic number.

It is an amenable number.

56919361 is a deficient number, since it is larger than the sum of its proper divisors (122351).

56919361 is a wasteful number, since it uses less digits than its factorization.

56919361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122350.

The product of its digits is 43740, while the sum is 40.

The square root of 56919361 is about 7544.4920968876. The cubic root of 56919361 is about 384.6685425163.

The spelling of 56919361 in words is "fifty-six million, nine hundred nineteen thousand, three hundred sixty-one".