53502003025 has 9 divisors (see below), whose sum is σ = 66343917873. Its totient is φ = 42800677200.

The previous prime is 53502003019. The next prime is 53502003089. The reversal of 53502003025 is 52030020535.

The square root of 53502003025 is 231305.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 16447293009 + 37054710016 = 128247^2 + 192496^2 .

It is not a de Polignac number, because 53502003025 - 2³ = 53502003017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1133395 + ... + 1179655.

Almost surely, 2^53502003025 is an apocalyptic number.

53502003025 is the 231305-th square number.

53502003025 is the 115653-rd centered octagonal number.

It is an amenable number.

53502003025 is a deficient number, since it is larger than the sum of its proper divisors (12841914848).

53502003025 is an frugal number, since it uses more digits than its factorization.

53502003025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92532 (or 46266 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 25.

Multiplying 53502003025 by its sum of digits (25), we get a square (1337550075625 = 1156525²).

53502003025 divided by its sum of digits (25) gives a square (2140080121 = 46261²).

The spelling of 53502003025 in words is "fifty-three billion, five hundred two million, three thousand, twenty-five".