57455093 has 4 divisors (see below), whose sum is σ = 57595980. Its totient is φ = 57314208.

The previous prime is 57455051. The next prime is 57455131. The reversal of 57455093 is 39055475.

It is a happy number.

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 28111204 + 29343889 = 5302^2 + 5417^2 .

It is a cyclic number.

It is not a de Polignac number, because 57455093 - 2⁶ = 57455029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57455023) 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, 69830 + ... + 70647.

It is an arithmetic number, because the mean of its divisors is an integer number (14398995).

Almost surely, 2^57455093 is an apocalyptic number.

It is an amenable number.

57455093 is a deficient number, since it is larger than the sum of its proper divisors (140887).

57455093 is a wasteful number, since it uses less digits than its factorization.

57455093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140886.

The product of its (nonzero) digits is 94500, while the sum is 38.

The square root of 57455093 is about 7579.9137857894. The cubic root of 57455093 is about 385.8716250058.

The spelling of 57455093 in words is "fifty-seven million, four hundred fifty-five thousand, ninety-three".