56215419 has 16 divisors (see below), whose sum is σ = 81068064. Its totient is φ = 34444800.

The previous prime is 56215417. The next prime is 56215421. The reversal of 56215419 is 91451265.

It is an interprime number because it is at equal distance from previous prime (56215417) and next prime (56215421).

It is not a de Polignac number, because 56215419 - 2¹ = 56215417 is a prime.

It is a super-2 number, since 2×56215419² = 6320346666691122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56215419.

It is not an unprimeable number, because it can be changed into a prime (56215417) 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 15 ways as a sum of consecutive naturals, for example, 6409 + ... + 12389.

It is an arithmetic number, because the mean of its divisors is an integer number (5066754).

Almost surely, 2^56215419 is an apocalyptic number.

56215419 is a deficient number, since it is larger than the sum of its proper divisors (24852645).

56215419 is a wasteful number, since it uses less digits than its factorization.

56215419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6238.

The product of its digits is 10800, while the sum is 33.

The square root of 56215419 is about 7497.6942455664. The cubic root of 56215419 is about 383.0761823337.

The spelling of 56215419 in words is "fifty-six million, two hundred fifteen thousand, four hundred nineteen".