53356525 has 6 divisors (see below), whose sum is σ = 66162122. Its totient is φ = 42685200.

The previous prime is 53356483. The next prime is 53356529. The reversal of 53356525 is 52565335.

It can be written as a sum of positive squares in 3 ways, for example, as 4272489 + 49084036 = 2067^2 + 7006^2 .

It is not a de Polignac number, because 53356525 - 2⁷ = 53356397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53356529) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1067106 + ... + 1067155.

Almost surely, 2^53356525 is an apocalyptic number.

It is an amenable number.

53356525 is a deficient number, since it is larger than the sum of its proper divisors (12805597).

53356525 is a wasteful number, since it uses less digits than its factorization.

53356525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134271 (or 2134266 counting only the distinct ones).

The product of its digits is 67500, while the sum is 34.

The square root of 53356525 is about 7304.5550856982. Note that the first 3 decimals coincide. The cubic root of 53356525 is about 376.4689641307.

The spelling of 53356525 in words is "fifty-three million, three hundred fifty-six thousand, five hundred twenty-five".