52540321225 has 24 divisors (see below), whose sum is σ = 76041347328. Its totient is φ = 35261097600.

The previous prime is 52540321199. The next prime is 52540321237. The reversal of 52540321225 is 52212304525.

It is not a de Polignac number, because 52540321225 - 2²³ = 52531932617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3185716 + ... + 3202165.

It is an arithmetic number, because the mean of its divisors is an integer number (3168389472).

Almost surely, 2^52540321225 is an apocalyptic number.

It is an amenable number.

52540321225 is a deficient number, since it is larger than the sum of its proper divisors (23501026103).

52540321225 is a wasteful number, since it uses less digits than its factorization.

52540321225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6387945 (or 6387940 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 52540321225 in words is "fifty-two billion, five hundred forty million, three hundred twenty-one thousand, two hundred twenty-five".