54204142 has 4 divisors (see below), whose sum is σ = 81306216. Its totient is φ = 27102070.

The previous prime is 54204053. The next prime is 54204193. The reversal of 54204142 is 24140245.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24140245 = 5 ⋅4828049.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13551034 + ... + 13551037.

It is an arithmetic number, because the mean of its divisors is an integer number (20326554).

Almost surely, 2^54204142 is an apocalyptic number.

54204142 is a deficient number, since it is larger than the sum of its proper divisors (27102074).

54204142 is a wasteful number, since it uses less digits than its factorization.

54204142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27102073.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 54204142 is about 7362.3462292940. The cubic root of 54204142 is about 378.4520175083.

Adding to 54204142 its reverse (24140245), we get a palindrome (78344387).

The spelling of 54204142 in words is "fifty-four million, two hundred four thousand, one hundred forty-two".