54439442 has 16 divisors (see below), whose sum is σ = 83687040. Its totient is φ = 26547888.

The previous prime is 54439433. The next prime is 54439481. The reversal of 54439442 is 24493445.

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, 31784 + ... + 33452.

It is an arithmetic number, because the mean of its divisors is an integer number (5230440).

Almost surely, 2^54439442 is an apocalyptic number.

54439442 is a deficient number, since it is larger than the sum of its proper divisors (29247598).

54439442 is a wasteful number, since it uses less digits than its factorization.

54439442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2065.

The product of its digits is 69120, while the sum is 35.

The square root of 54439442 is about 7378.3088848326. The cubic root of 54439442 is about 378.9988466582.

The spelling of 54439442 in words is "fifty-four million, four hundred thirty-nine thousand, four hundred forty-two".