56645270533004 has 12 divisors (see below), whose sum is σ = 99130235218728. Its totient is φ = 28322346184800.

The previous prime is 56645270532959. The next prime is 56645270533021. The reversal of 56645270533004 is 40033507254665.

It is a super-2 number, since 2×56645270533004² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71829242 + ... + 72613569.

It is an arithmetic number, because the mean of its divisors is an integer number (8260852934894).

Almost surely, 2^{56645270533004} is an apocalyptic number.

It is an amenable number.

56645270533004 is a deficient number, since it is larger than the sum of its proper divisors (42484964685724).

56645270533004 is a wasteful number, since it uses less digits than its factorization.

56645270533004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144540856 (or 144540854 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 50.

Adding to 56645270533004 its reverse (40033507254665), we get a palindrome (96678777787669).

The spelling of 56645270533004 in words is "fifty-six trillion, six hundred forty-five billion, two hundred seventy million, five hundred thirty-three thousand, four".