57290039 has 8 divisors (see below), whose sum is σ = 58618560. Its totient is φ = 55966176.

The previous prime is 57290029. The next prime is 57290059. The reversal of 57290039 is 93009275.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57290039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57289990 and 57290008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57290029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39377 + ... + 40805.

It is an arithmetic number, because the mean of its divisors is an integer number (7327320).

Almost surely, 2^57290039 is an apocalyptic number.

57290039 is a deficient number, since it is larger than the sum of its proper divisors (1328521).

57290039 is a wasteful number, since it uses less digits than its factorization.

57290039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2329.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 57290039 is about 7569.0183643587. The cubic root of 57290039 is about 385.5017666377.

The spelling of 57290039 in words is "fifty-seven million, two hundred ninety thousand, thirty-nine".