53897525 has 12 divisors (see below), whose sum is σ = 72909024. Its totient is φ = 39198000.

The previous prime is 53897521. The next prime is 53897527. The reversal of 53897525 is 52579835.

It is not a de Polignac number, because 53897525 - 2² = 53897521 is a prime.

It is a super-2 number, since 2×53897525² = 5809886402251250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53897521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97721 + ... + 98270.

It is an arithmetic number, because the mean of its divisors is an integer number (6075752).

Almost surely, 2^53897525 is an apocalyptic number.

53897525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53897525 is a deficient number, since it is larger than the sum of its proper divisors (19011499).

53897525 is a wasteful number, since it uses less digits than its factorization.

53897525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196012 (or 196007 counting only the distinct ones).

The product of its digits is 378000, while the sum is 44.

The square root of 53897525 is about 7341.4933766911. The cubic root of 53897525 is about 377.7370702164.

The spelling of 53897525 in words is "fifty-three million, eight hundred ninety-seven thousand, five hundred twenty-five".