57445678 has 16 divisors (see below), whose sum is σ = 88654896. Its totient is φ = 27901440.

The previous prime is 57445657. The next prime is 57445681. The reversal of 57445678 is 87654475.

It is a happy 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, 14868 + ... + 18328.

It is an arithmetic number, because the mean of its divisors is an integer number (5540931).

Almost surely, 2^57445678 is an apocalyptic number.

57445678 is a deficient number, since it is larger than the sum of its proper divisors (31209218).

57445678 is a wasteful number, since it uses less digits than its factorization.

57445678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3699.

The product of its digits is 940800, while the sum is 46.

The square root of 57445678 is about 7579.2927110648. The cubic root of 57445678 is about 385.8505466319.

The spelling of 57445678 in words is "fifty-seven million, four hundred forty-five thousand, six hundred seventy-eight".