57505339 has 8 divisors (see below), whose sum is σ = 61334928. Its totient is φ = 53725440.

The previous prime is 57505337. The next prime is 57505351. The reversal of 57505339 is 93350575.

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

It is not a de Polignac number, because 57505339 - 2¹ = 57505337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57505298 and 57505307.

It is not an unprimeable number, because it can be changed into a prime (57505337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10017 + ... + 14674.

It is an arithmetic number, because the mean of its divisors is an integer number (7666866).

Almost surely, 2^57505339 is an apocalyptic number.

57505339 is a deficient number, since it is larger than the sum of its proper divisors (3829589).

57505339 is a wasteful number, since it uses less digits than its factorization.

57505339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24845.

The product of its (nonzero) digits is 70875, while the sum is 37.

The square root of 57505339 is about 7583.2274791147. The cubic root of 57505339 is about 385.9840772155.

The spelling of 57505339 in words is "fifty-seven million, five hundred five thousand, three hundred thirty-nine".