53240405425 has 6 divisors (see below), whose sum is σ = 66018102758. Its totient is φ = 42592324320.

The previous prime is 53240405417. The next prime is 53240405431. The reversal of 53240405425 is 52450404235.

It can be written as a sum of positive squares in 3 ways, for example, as 5456896 + 53234948529 = 2336^2 + 230727^2 .

It is not a de Polignac number, because 53240405425 - 2³ = 53240405417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1064808084 + ... + 1064808133.

Almost surely, 2^53240405425 is an apocalyptic number.

It is an amenable number.

53240405425 is a deficient number, since it is larger than the sum of its proper divisors (12777697333).

53240405425 is a wasteful number, since it uses less digits than its factorization.

53240405425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129616227 (or 2129616222 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 34.

The spelling of 53240405425 in words is "fifty-three billion, two hundred forty million, four hundred five thousand, four hundred twenty-five".