53516725 has 12 divisors (see below), whose sum is σ = 67905376. Its totient is φ = 41816880.

The previous prime is 53516713. The next prime is 53516737. The reversal of 53516725 is 52761535.

53516725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (53516713) and next prime (53516737).

It is not a de Polignac number, because 53516725 - 2⁵ = 53516693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23817 + ... + 25966.

Almost surely, 2^53516725 is an apocalyptic number.

It is an amenable number.

53516725 is a deficient number, since it is larger than the sum of its proper divisors (14388651).

53516725 is a wasteful number, since it uses less digits than its factorization.

53516725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49836 (or 49831 counting only the distinct ones).

The product of its digits is 31500, while the sum is 34.

The square root of 53516725 is about 7315.5126272873. The cubic root of 53516725 is about 376.8453633874.

The spelling of 53516725 in words is "fifty-three million, five hundred sixteen thousand, seven hundred twenty-five".