53660925 has 36 divisors (see below), whose sum is σ = 101773620. Its totient is φ = 26933760.

The previous prime is 53660917. The next prime is 53660939. The reversal of 53660925 is 52906635.

It can be written as a sum of positive squares in 6 ways, for example, as 4968441 + 48692484 = 2229^2 + 6978^2 .

It is not a de Polignac number, because 53660925 - 2³ = 53660917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53660925.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3190 + ... + 10839.

It is an arithmetic number, because the mean of its divisors is an integer number (2827045).

Almost surely, 2^53660925 is an apocalyptic number.

It is an amenable number.

53660925 is a deficient number, since it is larger than the sum of its proper divisors (48112695).

53660925 is a wasteful number, since it uses less digits than its factorization.

53660925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14062 (or 14054 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 53660925 is about 7325.3617658106. The cubic root of 53660925 is about 377.1835278724.

The spelling of 53660925 in words is "fifty-three million, six hundred sixty thousand, nine hundred twenty-five".