57900439 has 2 divisors, whose sum is σ = 57900440. Its totient is φ = 57900438.

The previous prime is 57900431. The next prime is 57900509. The reversal of 57900439 is 93400975.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57900439 - 2³ = 57900431 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 57900398 and 57900407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57900431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28950219 + 28950220.

It is an arithmetic number, because the mean of its divisors is an integer number (28950220).

Almost surely, 2^57900439 is an apocalyptic number.

57900439 is a deficient number, since it is larger than the sum of its proper divisors (1).

57900439 is an equidigital number, since it uses as much as digits as its factorization.

57900439 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 37.

The square root of 57900439 is about 7609.2337984846. The cubic root of 57900439 is about 386.8660496519.

The spelling of 57900439 in words is "fifty-seven million, nine hundred thousand, four hundred thirty-nine".