56224211615 has 32 divisors (see below), whose sum is σ = 81107744256. Its totient is φ = 36867116160.

The previous prime is 56224211581. The next prime is 56224211621. The reversal of 56224211615 is 51611242265.

It is not a de Polignac number, because 56224211615 - 2³⁰ = 55150469791 is a prime.

It is a super-2 number, since 2×56224211615² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 883619 + ... + 945108.

It is an arithmetic number, because the mean of its divisors is an integer number (2534617008).

Almost surely, 2^56224211615 is an apocalyptic number.

56224211615 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56224211615 is a deficient number, since it is larger than the sum of its proper divisors (24883532641).

56224211615 is a wasteful number, since it uses less digits than its factorization.

56224211615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828799.

The product of its digits is 28800, while the sum is 35.

The spelling of 56224211615 in words is "fifty-six billion, two hundred twenty-four million, two hundred eleven thousand, six hundred fifteen".