53308125 has 90 divisors (see below), whose sum is σ = 107601494. Its totient is φ = 26244000.

The previous prime is 53308121. The next prime is 53308147. The reversal of 53308125 is 52180335.

53308125 is a `hidden beast` number, since 533 + 0 + 8 + 125 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 31236921 + 22071204 = 5589^2 + 4698^2 .

It is not a de Polignac number, because 53308125 - 2² = 53308121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53308121) by changing a digit.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 4100619 + ... + 4100631.

Almost surely, 2^53308125 is an apocalyptic number.

It is an amenable number.

53308125 is an abundant number, since it is smaller than the sum of its proper divisors (54293369).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53308125 is an frugal number, since it uses more digits than its factorization.

53308125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57 (or 21 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 53308125 is about 7301.2413328146. The cubic root of 53308125 is about 376.3550973316.

The spelling of 53308125 in words is "fifty-three million, three hundred eight thousand, one hundred twenty-five".