57387445 has 8 divisors (see below), whose sum is σ = 69695136. Its totient is φ = 45356496.

The previous prime is 57387439. The next prime is 57387457. The reversal of 57387445 is 54478375.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57387445 - 2³ = 57387437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68727 + ... + 69556.

It is an arithmetic number, because the mean of its divisors is an integer number (8711892).

Almost surely, 2^57387445 is an apocalyptic number.

It is an amenable number.

57387445 is a deficient number, since it is larger than the sum of its proper divisors (12307691).

57387445 is a wasteful number, since it uses less digits than its factorization.

57387445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138371.

The product of its digits is 470400, while the sum is 43.

The square root of 57387445 is about 7575.4501516412. The cubic root of 57387445 is about 385.7201229439.

The spelling of 57387445 in words is "fifty-seven million, three hundred eighty-seven thousand, four hundred forty-five".