57239383 has 2 divisors, whose sum is σ = 57239384. Its totient is φ = 57239382.

The previous prime is 57239363. The next prime is 57239389. The reversal of 57239383 is 38393275.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57239383 - 2¹³ = 57231191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57239389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28619691 + 28619692.

It is an arithmetic number, because the mean of its divisors is an integer number (28619692).

Almost surely, 2^57239383 is an apocalyptic number.

57239383 is a deficient number, since it is larger than the sum of its proper divisors (1).

57239383 is an equidigital number, since it uses as much as digits as its factorization.

57239383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 40.

The square root of 57239383 is about 7565.6713515722. The cubic root of 57239383 is about 385.3881125818.

The spelling of 57239383 in words is "fifty-seven million, two hundred thirty-nine thousand, three hundred eighty-three".