57206039 has 8 divisors (see below), whose sum is σ = 63858432. Its totient is φ = 50795640.

The previous prime is 57206011. The next prime is 57206047. The reversal of 57206039 is 93060275.

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

It is a cyclic number.

It is not a de Polignac number, because 57206039 - 2²⁰ = 56157463 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57205996 and 57206014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57206059) 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, 59999 + ... + 60944.

It is an arithmetic number, because the mean of its divisors is an integer number (7982304).

Almost surely, 2^57206039 is an apocalyptic number.

57206039 is a deficient number, since it is larger than the sum of its proper divisors (6652393).

57206039 is a wasteful number, since it uses less digits than its factorization.

57206039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120997.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 57206039 is about 7563.4673926712. The cubic root of 57206039 is about 385.3132638987.

The spelling of 57206039 in words is "fifty-seven million, two hundred six thousand, thirty-nine".