52055356518 has 36 divisors (see below), whose sum is σ = 123972059484. Its totient is φ = 15774349800.

The previous prime is 52055356517. The next prime is 52055356531. The reversal of 52055356518 is 81565355025.

It is a happy number.

52055356518 is a `hidden beast` number, since 5 + 20 + 5 + 53 + 565 + 18 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52055356517) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11948088 + ... + 11952443.

It is an arithmetic number, because the mean of its divisors is an integer number (3443668319).

Almost surely, 2^52055356518 is an apocalyptic number.

52055356518 is an abundant number, since it is smaller than the sum of its proper divisors (71916702966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52055356518 is a wasteful number, since it uses less digits than its factorization.

52055356518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23900561 (or 23900547 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 45.

The spelling of 52055356518 in words is "fifty-two billion, fifty-five million, three hundred fifty-six thousand, five hundred eighteen".