57126263 has 8 divisors (see below), whose sum is σ = 57655248. Its totient is φ = 56600064.

The previous prime is 57126247. The next prime is 57126281. The reversal of 57126263 is 36262175.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57126263 - 2⁴ = 57126247 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 (57126233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66545 + ... + 67397.

It is an arithmetic number, because the mean of its divisors is an integer number (7206906).

Almost surely, 2^57126263 is an apocalyptic number.

57126263 is a deficient number, since it is larger than the sum of its proper divisors (528985).

57126263 is a wasteful number, since it uses less digits than its factorization.

57126263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393.

The product of its digits is 15120, while the sum is 32.

The square root of 57126263 is about 7558.1917811074. The cubic root of 57126263 is about 385.1340692348.

The spelling of 57126263 in words is "fifty-seven million, one hundred twenty-six thousand, two hundred sixty-three".