57522378 has 8 divisors (see below), whose sum is σ = 115044768. Its totient is φ = 19174124.

The previous prime is 57522319. The next prime is 57522397. The reversal of 57522378 is 87322575.

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

57522378 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4793526 + ... + 4793537.

It is an arithmetic number, because the mean of its divisors is an integer number (14380596).

Almost surely, 2^57522378 is an apocalyptic number.

57522378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57522378 is a wasteful number, since it uses less digits than its factorization.

57522378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9587068.

The product of its digits is 117600, while the sum is 39.

The square root of 57522378 is about 7584.3508621371. The cubic root of 57522378 is about 386.0221961875.

The spelling of 57522378 in words is "fifty-seven million, five hundred twenty-two thousand, three hundred seventy-eight".