57039263 has 2 divisors, whose sum is σ = 57039264. Its totient is φ = 57039262.

The previous prime is 57039251. The next prime is 57039271. The reversal of 57039263 is 36293075.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57039263 - 2¹⁶ = 56973727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57039223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28519631 + 28519632.

It is an arithmetic number, because the mean of its divisors is an integer number (28519632).

Almost surely, 2^57039263 is an apocalyptic number.

57039263 is a deficient number, since it is larger than the sum of its proper divisors (1).

57039263 is an equidigital number, since it uses as much as digits as its factorization.

57039263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 57039263 is about 7552.4342433417. The cubic root of 57039263 is about 384.9384575830.

The spelling of 57039263 in words is "fifty-seven million, thirty-nine thousand, two hundred sixty-three".