56530379 has 4 divisors (see below), whose sum is σ = 57374184. Its totient is φ = 55686576.

The previous prime is 56530373. The next prime is 56530393. The reversal of 56530379 is 97303565.

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 56530379 - 2²⁴ = 39753163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56530373) 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, 421802 + ... + 421935.

It is an arithmetic number, because the mean of its divisors is an integer number (14343546).

Almost surely, 2^56530379 is an apocalyptic number.

56530379 is a deficient number, since it is larger than the sum of its proper divisors (843805).

56530379 is an equidigital number, since it uses as much as digits as its factorization.

56530379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843804.

The product of its (nonzero) digits is 85050, while the sum is 38.

The square root of 56530379 is about 7518.6686986461. The cubic root of 56530379 is about 383.7902749271.

The spelling of 56530379 in words is "fifty-six million, five hundred thirty thousand, three hundred seventy-nine".