52597971436 has 24 divisors (see below), whose sum is σ = 95031336960. Its totient is φ = 25446440400.

The previous prime is 52597971431. The next prime is 52597971493. The reversal of 52597971436 is 63417979525.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (52597971431) 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, 801591 + ... + 864721.

It is an arithmetic number, because the mean of its divisors is an integer number (3959639040).

Almost surely, 2^52597971436 is an apocalyptic number.

It is an amenable number.

52597971436 is a deficient number, since it is larger than the sum of its proper divisors (42433365524).

52597971436 is a wasteful number, since it uses less digits than its factorization.

52597971436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69885 (or 69883 counting only the distinct ones).

The product of its digits is 14288400, while the sum is 58.

The spelling of 52597971436 in words is "fifty-two billion, five hundred ninety-seven million, nine hundred seventy-one thousand, four hundred thirty-six".