56459519 has 4 divisors (see below), whose sum is σ = 57416520. Its totient is φ = 55502520.

The previous prime is 56459479. The next prime is 56459539. The reversal of 56459519 is 91595465.

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 56459519 - 2¹² = 56455423 is a prime.

It is a super-2 number, since 2×56459519² = 6375354571422722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56459519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56459539) 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, 478412 + ... + 478529.

It is an arithmetic number, because the mean of its divisors is an integer number (14354130).

Almost surely, 2^56459519 is an apocalyptic number.

56459519 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

56459519 is a deficient number, since it is larger than the sum of its proper divisors (957001).

56459519 is an equidigital number, since it uses as much as digits as its factorization.

56459519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957000.

The product of its digits is 243000, while the sum is 44.

The square root of 56459519 is about 7513.9549506235. The cubic root of 56459519 is about 383.6298493867.

The spelling of 56459519 in words is "fifty-six million, four hundred fifty-nine thousand, five hundred nineteen".