52453444665 has 64 divisors (see below), whose sum is σ = 90465361920. Its totient is φ = 25855564800.

The previous prime is 52453444657. The next prime is 52453444709. The reversal of 52453444665 is 56644435425.

It is not a de Polignac number, because 52453444665 - 2³ = 52453444657 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26884440 + ... + 26886390.

It is an arithmetic number, because the mean of its divisors is an integer number (1413521280).

Almost surely, 2^52453444665 is an apocalyptic number.

It is an amenable number.

52453444665 is a deficient number, since it is larger than the sum of its proper divisors (38011917255).

52453444665 is a wasteful number, since it uses less digits than its factorization.

52453444665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3822.

The product of its digits is 6912000, while the sum is 48.

The spelling of 52453444665 in words is "fifty-two billion, four hundred fifty-three million, four hundred forty-four thousand, six hundred sixty-five".