53397557425 has 24 divisors (see below), whose sum is σ = 66483998720. Its totient is φ = 42543446400.

The previous prime is 53397557419. The next prime is 53397557431. The reversal of 53397557425 is 52475579335.

53397557425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (53397557419) and next prime (53397557431).

It is not a de Polignac number, because 53397557425 - 2²⁷ = 53263339697 is a prime.

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, 11508256 + ... + 11512894.

Almost surely, 2^53397557425 is an apocalyptic number.

It is an amenable number.

53397557425 is a deficient number, since it is larger than the sum of its proper divisors (13086441295).

53397557425 is a wasteful number, since it uses less digits than its factorization.

53397557425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6433 (or 6428 counting only the distinct ones).

The product of its digits is 19845000, while the sum is 55.

The spelling of 53397557425 in words is "fifty-three billion, three hundred ninety-seven million, five hundred fifty-seven thousand, four hundred twenty-five".