53525616 has 20 divisors (see below), whose sum is σ = 138274632. Its totient is φ = 17841856.

The previous prime is 53525611. The next prime is 53525617. The reversal of 53525616 is 61652535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53525611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557511 + ... + 557606.

Almost surely, 2^53525616 is an apocalyptic number.

It is an amenable number.

53525616 is an abundant number, since it is smaller than the sum of its proper divisors (84749016).

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

53525616 is a wasteful number, since it uses less digits than its factorization.

53525616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115128 (or 1115122 counting only the distinct ones).

The product of its digits is 27000, while the sum is 33.

The square root of 53525616 is about 7316.1202833196. The cubic root of 53525616 is about 376.8662312974.

The spelling of 53525616 in words is "fifty-three million, five hundred twenty-five thousand, six hundred sixteen".