57452407 has 4 divisors (see below), whose sum is σ = 57471336. Its totient is φ = 57433480.

The previous prime is 57452399. The next prime is 57452411. The reversal of 57452407 is 70425475.

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 57452407 - 2³ = 57452399 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 (57459407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3769 + ... + 11362.

It is an arithmetic number, because the mean of its divisors is an integer number (14367834).

Almost surely, 2^57452407 is an apocalyptic number.

57452407 is a deficient number, since it is larger than the sum of its proper divisors (18929).

57452407 is a wasteful number, since it uses less digits than its factorization.

57452407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18928.

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 57452407 is about 7579.7366049224. The cubic root of 57452407 is about 385.8656118033.

The spelling of 57452407 in words is "fifty-seven million, four hundred fifty-two thousand, four hundred seven".