57052319 has 4 divisors (see below), whose sum is σ = 57081744. Its totient is φ = 57022896.

The previous prime is 57052301. The next prime is 57052321. The reversal of 57052319 is 91325075.

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

It is a cyclic number.

It is not a de Polignac number, because 57052319 - 2¹² = 57048223 is a prime.

It is a super-2 number, since 2×57052319² = 6509934206555522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57052349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11582 + ... + 15755.

It is an arithmetic number, because the mean of its divisors is an integer number (14270436).

Almost surely, 2^57052319 is an apocalyptic number.

57052319 is a deficient number, since it is larger than the sum of its proper divisors (29425).

57052319 is a wasteful number, since it uses less digits than its factorization.

57052319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29424.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 57052319 is about 7553.2985509643. The cubic root of 57052319 is about 384.9678255004.

The spelling of 57052319 in words is "fifty-seven million, fifty-two thousand, three hundred nineteen".