53057 has 4 divisors (see below), whose sum is σ = 56196. Its totient is φ = 49920.

The previous prime is 53051. The next prime is 53069. The reversal of 53057 is 75035.

53057 = T₃₈ + T₃₉ + ... + T₇₁.

53057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 14641 + 38416 = 121^2 + 196^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53051) 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, 1544 + ... + 1577.

It is an arithmetic number, because the mean of its divisors is an integer number (14049).

2⁵³⁰⁵⁷ is an apocalyptic number.

It is an amenable number.

53057 is a deficient number, since it is larger than the sum of its proper divisors (3139).

53057 is a wasteful number, since it uses less digits than its factorization.

53057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3138.

The product of its (nonzero) digits is 525, while the sum is 20.

The square root of 53057 is about 230.3410514867. The cubic root of 53057 is about 37.5763186477.

The spelling of 53057 in words is "fifty-three thousand, fifty-seven".