57049205 has 4 divisors (see below), whose sum is σ = 68459052. Its totient is φ = 45639360.

The previous prime is 57049199. The next prime is 57049219. The reversal of 57049205 is 50294075.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34562641 + 22486564 = 5879^2 + 4742^2 .

It is not a de Polignac number, because 57049205 - 2⁶ = 57049141 is a prime.

It is a super-2 number, since 2×57049205² = 6509223582264050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5704916 + ... + 5704925.

It is an arithmetic number, because the mean of its divisors is an integer number (17114763).

Almost surely, 2^57049205 is an apocalyptic number.

It is an amenable number.

57049205 is a deficient number, since it is larger than the sum of its proper divisors (11409847).

57049205 is a wasteful number, since it uses less digits than its factorization.

57049205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11409846.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 57049205 is about 7553.0924130451. The cubic root of 57049205 is about 384.9608213351.

The spelling of 57049205 in words is "fifty-seven million, forty-nine thousand, two hundred five".