57542205 has 32 divisors (see below), whose sum is σ = 109799424. Its totient is φ = 25160256.

The previous prime is 57542201. The next prime is 57542207. The reversal of 57542205 is 50224575.

It is not a de Polignac number, because 57542205 - 2² = 57542201 is a prime.

It is a super-2 number, since 2×57542205² = 6622210712524050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57542201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9499 + ... + 14328.

It is an arithmetic number, because the mean of its divisors is an integer number (3431232).

Almost surely, 2^57542205 is an apocalyptic number.

It is an amenable number.

57542205 is a deficient number, since it is larger than the sum of its proper divisors (52257219).

57542205 is a wasteful number, since it uses less digits than its factorization.

57542205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23865.

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 57542205 is about 7585.6578488619. The cubic root of 57542205 is about 386.0665428874.

The spelling of 57542205 in words is "fifty-seven million, five hundred forty-two thousand, two hundred five".