54439942 has 8 divisors (see below), whose sum is σ = 85210416. Its totient is φ = 26036472.

The previous prime is 54439871. The next prime is 54439943. The reversal of 54439942 is 24993445.

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

It is a junction number, because it is equal to n+sod(n) for n = 54439895 and 54439904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54439943) 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, 591693 + ... + 591784.

It is an arithmetic number, because the mean of its divisors is an integer number (10651302).

Almost surely, 2^54439942 is an apocalyptic number.

54439942 is a deficient number, since it is larger than the sum of its proper divisors (30770474).

54439942 is a wasteful number, since it uses less digits than its factorization.

54439942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183502.

The product of its digits is 155520, while the sum is 40.

The square root of 54439942 is about 7378.3427678578. The cubic root of 54439942 is about 379.0000069618. Note that the first 5 decimals are identical.

The spelling of 54439942 in words is "fifty-four million, four hundred thirty-nine thousand, nine hundred forty-two".