52502777525 has 24 divisors (see below), whose sum is σ = 71058246624. Its totient is φ = 38164318400.

The previous prime is 52502777521. The next prime is 52502777533. The reversal of 52502777525 is 52577720525.

It is not a de Polignac number, because 52502777525 - 2² = 52502777521 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52502777525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52502777521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 501374 + ... + 596976.

It is an arithmetic number, because the mean of its divisors is an integer number (2960760276).

Almost surely, 2^52502777525 is an apocalyptic number.

52502777525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52502777525 is a deficient number, since it is larger than the sum of its proper divisors (18555469099).

52502777525 is a wasteful number, since it uses less digits than its factorization.

52502777525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97621 (or 97616 counting only the distinct ones).

The product of its (nonzero) digits is 1715000, while the sum is 47.

The spelling of 52502777525 in words is "fifty-two billion, five hundred two million, seven hundred seventy-seven thousand, five hundred twenty-five".