56133919485 has 128 divisors (see below), whose sum is σ = 125273088000. Its totient is φ = 23253474816.

The previous prime is 56133919423. The next prime is 56133919487. The reversal of 56133919485 is 58491933165.

56133919485 is a `hidden beast` number, since 5 + 613 + 3 + 9 + 19 + 4 + 8 + 5 = 666.

It is not a de Polignac number, because 56133919485 - 2⁷ = 56133919357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56133919487) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 345001 + ... + 480929.

It is an arithmetic number, because the mean of its divisors is an integer number (978696000).

Almost surely, 2^56133919485 is an apocalyptic number.

It is an amenable number.

56133919485 is an abundant number, since it is smaller than the sum of its proper divisors (69139168515).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56133919485 is a wasteful number, since it uses less digits than its factorization.

56133919485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135992 (or 135986 counting only the distinct ones).

The product of its digits is 3499200, while the sum is 54.

The spelling of 56133919485 in words is "fifty-six billion, one hundred thirty-three million, nine hundred nineteen thousand, four hundred eighty-five".