56799619 has 4 divisors (see below), whose sum is σ = 57011040. Its totient is φ = 56588200.

The previous prime is 56799599. The next prime is 56799643. The reversal of 56799619 is 91699765.

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 56799619 - 2²¹ = 54702467 is a prime.

It is a super-2 number, since 2×56799619² = 6452393437090322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56799649) 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, 105307 + ... + 105844.

It is an arithmetic number, because the mean of its divisors is an integer number (14252760).

Almost surely, 2^56799619 is an apocalyptic number.

56799619 is a deficient number, since it is larger than the sum of its proper divisors (211421).

56799619 is a wasteful number, since it uses less digits than its factorization.

56799619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211420.

The product of its digits is 918540, while the sum is 52.

The square root of 56799619 is about 7536.5521957988. The cubic root of 56799619 is about 384.3986090683.

The spelling of 56799619 in words is "fifty-six million, seven hundred ninety-nine thousand, six hundred nineteen".