54564236564 has 12 divisors (see below), whose sum is σ = 95491154388. Its totient is φ = 27281049600.

The previous prime is 54564236543. The next prime is 54564236611. The reversal of 54564236564 is 46563246545.

It can be written as a sum of positive squares in 2 ways, for example, as 47049080464 + 7515156100 = 216908^2 + 86690^2 .

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 146207 + ... + 361254.

It is an arithmetic number, because the mean of its divisors is an integer number (7957596199).

Almost surely, 2^54564236564 is an apocalyptic number.

It is an amenable number.

54564236564 is a deficient number, since it is larger than the sum of its proper divisors (40926917824).

54564236564 is a wasteful number, since it uses less digits than its factorization.

54564236564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534346 (or 534344 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 50.

The spelling of 54564236564 in words is "fifty-four billion, five hundred sixty-four million, two hundred thirty-six thousand, five hundred sixty-four".