56353091 has 4 divisors (see below), whose sum is σ = 57663672. Its totient is φ = 55042512.

The previous prime is 56353057. The next prime is 56353111. The reversal of 56353091 is 19035365.

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 56353091 - 2⁶ = 56353027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56353001) 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, 655226 + ... + 655311.

It is an arithmetic number, because the mean of its divisors is an integer number (14415918).

Almost surely, 2^56353091 is an apocalyptic number.

56353091 is a deficient number, since it is larger than the sum of its proper divisors (1310581).

56353091 is a wasteful number, since it uses less digits than its factorization.

56353091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310580.

The product of its (nonzero) digits is 12150, while the sum is 32.

The square root of 56353091 is about 7506.8695872514. The cubic root of 56353091 is about 383.3886462506.

The spelling of 56353091 in words is "fifty-six million, three hundred fifty-three thousand, ninety-one".