53287402625 has 8 divisors (see below), whose sum is σ = 66502678632. Its totient is φ = 42629922000.

The previous prime is 53287402621. The next prime is 53287402643. The reversal of 53287402625 is 52620478235.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4110348544 + 49177054081 = 64112^2 + 221759^2 .

It is not a de Polignac number, because 53287402625 - 2² = 53287402621 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53287402621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213149486 + ... + 213149735.

It is an arithmetic number, because the mean of its divisors is an integer number (8312834829).

Almost surely, 2^53287402625 is an apocalyptic number.

It is an amenable number.

53287402625 is a deficient number, since it is larger than the sum of its proper divisors (13215276007).

53287402625 is an equidigital number, since it uses as much as digits as its factorization.

53287402625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426299236 (or 426299226 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 44.

The spelling of 53287402625 in words is "fifty-three billion, two hundred eighty-seven million, four hundred two thousand, six hundred twenty-five".