57552539 has 8 divisors (see below), whose sum is σ = 66089280. Its totient is φ = 49566600.

The previous prime is 57552511. The next prime is 57552563. The reversal of 57552539 is 93525575.

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 57552539 - 2¹² = 57548443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57552496 and 57552505.

It is not an unprimeable number, because it can be changed into a prime (57552239) 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, 137477 + ... + 137894.

It is an arithmetic number, because the mean of its divisors is an integer number (8261160).

Almost surely, 2^57552539 is an apocalyptic number.

57552539 is a deficient number, since it is larger than the sum of its proper divisors (8536741).

57552539 is a wasteful number, since it uses less digits than its factorization.

57552539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275401.

The product of its digits is 236250, while the sum is 41.

The square root of 57552539 is about 7586.3389721261. The cubic root of 57552539 is about 386.0896527238.

The spelling of 57552539 in words is "fifty-seven million, five hundred fifty-two thousand, five hundred thirty-nine".