53564235534 has 24 divisors (see below), whose sum is σ = 117788023080. Its totient is φ = 17588256048.

The previous prime is 53564235499. The next prime is 53564235547. The reversal of 53564235534 is 43553246535.

53564235534 is a `hidden beast` number, since 5 + 3 + 56 + 42 + 3 + 553 + 4 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53564235534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22206189 + ... + 22208600.

It is an arithmetic number, because the mean of its divisors is an integer number (4907834295).

Almost surely, 2^53564235534 is an apocalyptic number.

53564235534 is an abundant number, since it is smaller than the sum of its proper divisors (64223787546).

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

53564235534 is a wasteful number, since it uses less digits than its factorization.

53564235534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44414864 (or 44414861 counting only the distinct ones).

The product of its digits is 3240000, while the sum is 45.

The spelling of 53564235534 in words is "fifty-three billion, five hundred sixty-four million, two hundred thirty-five thousand, five hundred thirty-four".