52400564253 has 8 divisors (see below), whose sum is σ = 77630465600. Its totient is φ = 34933709484.

The previous prime is 52400564213. The next prime is 52400564257. The reversal of 52400564253 is 35246500425.

52400564253 is a `hidden beast` number, since 5 + 2 + 4 + 0 + 0 + 5 + 642 + 5 + 3 = 666.

It is not a de Polignac number, because 52400564253 - 2⁹ = 52400563741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52400564257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 970380793 + ... + 970380846.

It is an arithmetic number, because the mean of its divisors is an integer number (9703808200).

Almost surely, 2^52400564253 is an apocalyptic number.

It is an amenable number.

52400564253 is a deficient number, since it is larger than the sum of its proper divisors (25229901347).

52400564253 is a wasteful number, since it uses less digits than its factorization.

52400564253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940761648 (or 1940761642 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 52400564253 in words is "fifty-two billion, four hundred million, five hundred sixty-four thousand, two hundred fifty-three".