57028039 has 2 divisors, whose sum is σ = 57028040. Its totient is φ = 57028038.

The previous prime is 57028021. The next prime is 57028051. The reversal of 57028039 is 93082075.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57028039 - 2¹³ = 57019847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57027995 and 57028013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57028009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28514019 + 28514020.

It is an arithmetic number, because the mean of its divisors is an integer number (28514020).

Almost surely, 2^57028039 is an apocalyptic number.

57028039 is a deficient number, since it is larger than the sum of its proper divisors (1).

57028039 is an equidigital number, since it uses as much as digits as its factorization.

57028039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 57028039 is about 7551.6911351034. The cubic root of 57028039 is about 384.9132069489.

The spelling of 57028039 in words is "fifty-seven million, twenty-eight thousand, thirty-nine".