53725616 has 40 divisors (see below), whose sum is σ = 125230080. Its totient is φ = 21812544.

The previous prime is 53725601. The next prime is 53725657. The reversal of 53725616 is 61652735.

53725616 = T₇₈ + T₇₉ + ... + T₆₈₅.

53725616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 10496 + ... + 14751.

It is an arithmetic number, because the mean of its divisors is an integer number (3130752).

Almost surely, 2^53725616 is an apocalyptic number.

53725616 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

53725616 is an abundant number, since it is smaller than the sum of its proper divisors (71504464).

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

53725616 is a wasteful number, since it uses less digits than its factorization.

53725616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25281 (or 25275 counting only the distinct ones).

The product of its digits is 37800, while the sum is 35.

The square root of 53725616 is about 7329.7759856629. The cubic root of 53725616 is about 377.3350383732.

The spelling of 53725616 in words is "fifty-three million, seven hundred twenty-five thousand, six hundred sixteen".