54646645570 has 24 divisors (see below), whose sum is σ = 108119068092. Its totient is φ = 19871507040.

The previous prime is 54646645567. The next prime is 54646645577. The reversal of 54646645570 is 7554664645.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 51792201241 + 2854444329 = 227579^2 + 53427^2 .

It is not an unprimeable number, because it can be changed into a prime (54646645577) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22580049 + ... + 22582468.

Almost surely, 2^54646645570 is an apocalyptic number.

54646645570 is a deficient number, since it is larger than the sum of its proper divisors (53472422522).

54646645570 is a wasteful number, since it uses less digits than its factorization.

54646645570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45162546 (or 45162535 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 52.

The spelling of 54646645570 in words is "fifty-four billion, six hundred forty-six million, six hundred forty-five thousand, five hundred seventy".