53116057 has 4 divisors (see below), whose sum is σ = 53161060. Its totient is φ = 53071056.

The previous prime is 53116043. The next prime is 53116067. The reversal of 53116057 is 75061135.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21261321 + 31854736 = 4611^2 + 5644^2 .

It is a cyclic number.

It is not a de Polignac number, because 53116057 - 2⁷ = 53115929 is a prime.

It is a super-2 number, since 2×53116057² = 5642631022454498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53116067) 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, 20682 + ... + 23107.

It is an arithmetic number, because the mean of its divisors is an integer number (13290265).

Almost surely, 2^53116057 is an apocalyptic number.

It is an amenable number.

53116057 is a deficient number, since it is larger than the sum of its proper divisors (45003).

53116057 is a wasteful number, since it uses less digits than its factorization.

53116057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45002.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 53116057 is about 7288.0763579974. The cubic root of 53116057 is about 375.9025536859.

The spelling of 53116057 in words is "fifty-three million, one hundred sixteen thousand, fifty-seven".