57120263 has 2 divisors, whose sum is σ = 57120264. Its totient is φ = 57120262.

The previous prime is 57120241. The next prime is 57120277. The reversal of 57120263 is 36202175.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57120263 - 2¹⁰ = 57119239 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57120223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28560131 + 28560132.

It is an arithmetic number, because the mean of its divisors is an integer number (28560132).

Almost surely, 2^57120263 is an apocalyptic number.

57120263 is a deficient number, since it is larger than the sum of its proper divisors (1).

57120263 is an equidigital number, since it uses as much as digits as its factorization.

57120263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 57120263 is about 7557.7948503515. The cubic root of 57120263 is about 385.1205851547.

The spelling of 57120263 in words is "fifty-seven million, one hundred twenty thousand, two hundred sixty-three".