57440554 has 8 divisors (see below), whose sum is σ = 86594400. Its totient is φ = 28575756.

The previous prime is 57440527. The next prime is 57440557. The reversal of 57440554 is 45504475.

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

It is not an unprimeable number, because it can be changed into a prime (57440557) 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, 71764 + ... + 72559.

It is an arithmetic number, because the mean of its divisors is an integer number (10824300).

Almost surely, 2^57440554 is an apocalyptic number.

57440554 is a deficient number, since it is larger than the sum of its proper divisors (29153846).

57440554 is a wasteful number, since it uses less digits than its factorization.

57440554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144524.

The product of its (nonzero) digits is 56000, while the sum is 34.

The square root of 57440554 is about 7578.9546772626. The cubic root of 57440554 is about 385.8390740137.

The spelling of 57440554 in words is "fifty-seven million, four hundred forty thousand, five hundred fifty-four".