53917425 has 18 divisors (see below), whose sum is σ = 96572502. Its totient is φ = 28755840.

The previous prime is 53917417. The next prime is 53917427. The reversal of 53917425 is 52471935.

It can be written as a sum of positive squares in 3 ways, for example, as 159201 + 53758224 = 399^2 + 7332^2 .

It is not a de Polignac number, because 53917425 - 2³ = 53917417 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53917425.

It is not an unprimeable number, because it can be changed into a prime (53917427) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 119592 + ... + 120041.

It is an arithmetic number, because the mean of its divisors is an integer number (5365139).

Almost surely, 2^53917425 is an apocalyptic number.

It is an amenable number.

53917425 is a deficient number, since it is larger than the sum of its proper divisors (42655077).

53917425 is a wasteful number, since it uses less digits than its factorization.

53917425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239649 (or 239641 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 53917425 is about 7342.8485616959. The cubic root of 53917425 is about 377.7835537532.

The spelling of 53917425 in words is "fifty-three million, nine hundred seventeen thousand, four hundred twenty-five".