57465511 has 4 divisors (see below), whose sum is σ = 57501072. Its totient is φ = 57429952.

The previous prime is 57465497. The next prime is 57465521. The reversal of 57465511 is 11556475.

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 57465511 - 2⁷ = 57465383 is a prime.

It is a super-2 number, since 2×57465511² = 6604569908982242, 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 (57465521) 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, 15235 + ... + 18628.

It is an arithmetic number, because the mean of its divisors is an integer number (14375268).

Almost surely, 2^57465511 is an apocalyptic number.

57465511 is a deficient number, since it is larger than the sum of its proper divisors (35561).

57465511 is a wasteful number, since it uses less digits than its factorization.

57465511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35560.

The product of its digits is 21000, while the sum is 34.

The square root of 57465511 is about 7580.6009656227. The cubic root of 57465511 is about 385.8949462203.

The spelling of 57465511 in words is "fifty-seven million, four hundred sixty-five thousand, five hundred eleven".