56224589145 has 16 divisors (see below), whose sum is σ = 89969830272. Its totient is φ = 29982951680.

The previous prime is 56224589087. The next prime is 56224589159. The reversal of 56224589145 is 54198542265.

It is not a de Polignac number, because 56224589145 - 2²⁷ = 56090371417 is a prime.

It is a super-2 number, since 2×56224589145² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82821 + ... + 345410.

It is an arithmetic number, because the mean of its divisors is an integer number (5623114392).

Almost surely, 2^56224589145 is an apocalyptic number.

It is an amenable number.

56224589145 is a deficient number, since it is larger than the sum of its proper divisors (33745241127).

56224589145 is a wasteful number, since it uses less digits than its factorization.

56224589145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436992.

The product of its digits is 3456000, while the sum is 51.

The spelling of 56224589145 in words is "fifty-six billion, two hundred twenty-four million, five hundred eighty-nine thousand, one hundred forty-five".