52647091472 has 20 divisors (see below), whose sum is σ = 102400649436. Its totient is φ = 26221117440.

The previous prime is 52647091439. The next prime is 52647091487. The reversal of 52647091472 is 27419074625.

It can be written as a sum of positive squares in 2 ways, for example, as 45951924496 + 6695166976 = 214364^2 + 81824^2 .

It is a super-2 number, since 2×52647091472² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

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, 6397529 + ... + 6405752.

Almost surely, 2^52647091472 is an apocalyptic number.

It is an amenable number.

52647091472 is a deficient number, since it is larger than the sum of its proper divisors (49753557964).

52647091472 is a wasteful number, since it uses less digits than its factorization.

52647091472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12803546 (or 12803540 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 52647091472 in words is "fifty-two billion, six hundred forty-seven million, ninety-one thousand, four hundred seventy-two".