57482387 has 4 divisors (see below), whose sum is σ = 57502056. Its totient is φ = 57462720.

The previous prime is 57482377. The next prime is 57482413. The reversal of 57482387 is 78328475.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57482387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57482377) 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, 4478 + ... + 11619.

It is an arithmetic number, because the mean of its divisors is an integer number (14375514).

Almost surely, 2^57482387 is an apocalyptic number.

57482387 is a deficient number, since it is larger than the sum of its proper divisors (19669).

57482387 is a wasteful number, since it uses less digits than its factorization.

57482387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19668.

The product of its digits is 376320, while the sum is 44.

The square root of 57482387 is about 7581.7139882747. The cubic root of 57482387 is about 385.9327180108.

The spelling of 57482387 in words is "fifty-seven million, four hundred eighty-two thousand, three hundred eighty-seven".