52475315997 has 16 divisors (see below), whose sum is σ = 75739592768. Its totient is φ = 32125178880.

The previous prime is 52475315987. The next prime is 52475316067. The reversal of 52475315997 is 79951357425.

It is a happy number.

It is not a de Polignac number, because 52475315997 - 2¹¹ = 52475313949 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 (52475315987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3478279 + ... + 3493332.

It is an arithmetic number, because the mean of its divisors is an integer number (4733724548).

Almost surely, 2^52475315997 is an apocalyptic number.

It is an amenable number.

52475315997 is a deficient number, since it is larger than the sum of its proper divisors (23264276771).

52475315997 is a wasteful number, since it uses less digits than its factorization.

52475315997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6971820.

The product of its digits is 11907000, while the sum is 57.

The spelling of 52475315997 in words is "fifty-two billion, four hundred seventy-five million, three hundred fifteen thousand, nine hundred ninety-seven".