53157084 has 12 divisors (see below), whose sum is σ = 124033224. Its totient is φ = 17719024.

The previous prime is 53157077. The next prime is 53157107. The reversal of 53157084 is 48075135.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2214867 + ... + 2214890.

It is an arithmetic number, because the mean of its divisors is an integer number (10336102).

Almost surely, 2^53157084 is an apocalyptic number.

It is an amenable number.

53157084 is an abundant number, since it is smaller than the sum of its proper divisors (70876140).

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

53157084 is a wasteful number, since it uses less digits than its factorization.

53157084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4429764 (or 4429762 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 53157084 is about 7290.8904805929. The cubic root of 53157084 is about 375.9993115273. Note that the first 3 decimals are identical.

The spelling of 53157084 in words is "fifty-three million, one hundred fifty-seven thousand, eighty-four".