57053957 has 4 divisors (see below), whose sum is σ = 57417516. Its totient is φ = 56690400.

The previous prime is 57053947. The next prime is 57053993. The reversal of 57053957 is 75935075.

It is a happy number.

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 6558721 + 50495236 = 2561^2 + 7106^2 .

It is a cyclic number.

It is not a de Polignac number, because 57053957 - 2²⁴ = 40276741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57053947) 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, 181544 + ... + 181857.

It is an arithmetic number, because the mean of its divisors is an integer number (14354379).

Almost surely, 2^57053957 is an apocalyptic number.

It is an amenable number.

57053957 is a deficient number, since it is larger than the sum of its proper divisors (363559).

57053957 is a wasteful number, since it uses less digits than its factorization.

57053957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363558.

The product of its (nonzero) digits is 165375, while the sum is 41.

The square root of 57053957 is about 7553.4069796351. The cubic root of 57053957 is about 384.9715096700.

The spelling of 57053957 in words is "fifty-seven million, fifty-three thousand, nine hundred fifty-seven".