56411519 has 4 divisors (see below), whose sum is σ = 57336360. Its totient is φ = 55486680.

The previous prime is 56411507. The next prime is 56411527. The reversal of 56411519 is 91511465.

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 56411519 - 2⁸ = 56411263 is a prime.

It is a super-2 number, since 2×56411519² = 6364518951774722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56411539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462329 + ... + 462450.

It is an arithmetic number, because the mean of its divisors is an integer number (14334090).

Almost surely, 2^56411519 is an apocalyptic number.

56411519 is a deficient number, since it is larger than the sum of its proper divisors (924841).

56411519 is an equidigital number, since it uses as much as digits as its factorization.

56411519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924840.

The product of its digits is 5400, while the sum is 32.

The square root of 56411519 is about 7510.7602145189. The cubic root of 56411519 is about 383.5211021288.

The spelling of 56411519 in words is "fifty-six million, four hundred eleven thousand, five hundred nineteen".