57157763 has 4 divisors (see below), whose sum is σ = 61554528. Its totient is φ = 52761000.

The previous prime is 57157733. The next prime is 57157787. The reversal of 57157763 is 36775175.

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

It is a cyclic number.

It is not a de Polignac number, because 57157763 - 2¹⁰ = 57156739 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57157763.

It is not an unprimeable number, because it can be changed into a prime (57157703) 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, 2198363 + ... + 2198388.

It is an arithmetic number, because the mean of its divisors is an integer number (15388632).

Almost surely, 2^57157763 is an apocalyptic number.

57157763 is a deficient number, since it is larger than the sum of its proper divisors (4396765).

57157763 is a wasteful number, since it uses less digits than its factorization.

57157763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4396764.

The product of its digits is 154350, while the sum is 41.

The square root of 57157763 is about 7560.2753256743. The cubic root of 57157763 is about 385.2048451697.

The spelling of 57157763 in words is "fifty-seven million, one hundred fifty-seven thousand, seven hundred sixty-three".