54389242 has 4 divisors (see below), whose sum is σ = 81583866. Its totient is φ = 27194620.

The previous prime is 54389219. The next prime is 54389243. The reversal of 54389242 is 24298345.

It is a happy number.

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., 46498761 + 7890481 = 6819^2 + 2809^2 .

It is not an unprimeable number, because it can be changed into a prime (54389243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13597309 + ... + 13597312.

Almost surely, 2^54389242 is an apocalyptic number.

54389242 is a deficient number, since it is larger than the sum of its proper divisors (27194624).

54389242 is a wasteful number, since it uses less digits than its factorization.

54389242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27194623.

The product of its digits is 69120, while the sum is 37.

The square root of 54389242 is about 7374.9062366921. The cubic root of 54389242 is about 378.8823159932.

The spelling of 54389242 in words is "fifty-four million, three hundred eighty-nine thousand, two hundred forty-two".