54057442 has 4 divisors (see below), whose sum is σ = 81086166. Its totient is φ = 27028720.

The previous prime is 54057431. The next prime is 54057461. The reversal of 54057442 is 24475045.

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

It can be written as a sum of positive squares in only one way, i.e., 45711121 + 8346321 = 6761^2 + 2889^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13514359 + ... + 13514362.

Almost surely, 2^54057442 is an apocalyptic number.

54057442 is a deficient number, since it is larger than the sum of its proper divisors (27028724).

54057442 is a wasteful number, since it uses less digits than its factorization.

54057442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27028723.

The product of its (nonzero) digits is 22400, while the sum is 31.

The square root of 54057442 is about 7352.3766225623. The cubic root of 54057442 is about 378.1102904097.

The spelling of 54057442 in words is "fifty-four million, fifty-seven thousand, four hundred forty-two".