54432142 has 4 divisors (see below), whose sum is σ = 81648216. Its totient is φ = 27216070.

The previous prime is 54432139. The next prime is 54432149. The reversal of 54432142 is 24123445.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54432149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13608034 + ... + 13608037.

It is an arithmetic number, because the mean of its divisors is an integer number (20412054).

Almost surely, 2^54432142 is an apocalyptic number.

54432142 is a deficient number, since it is larger than the sum of its proper divisors (27216074).

54432142 is a wasteful number, since it uses less digits than its factorization.

54432142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27216073.

The product of its digits is 3840, while the sum is 25.

The square root of 54432142 is about 7377.8141749437. The cubic root of 54432142 is about 378.9819054164.

Adding to 54432142 its reverse (24123445), we get a palindrome (78555587).

The spelling of 54432142 in words is "fifty-four million, four hundred thirty-two thousand, one hundred forty-two".