54030142 has 4 divisors (see below), whose sum is σ = 81045216. Its totient is φ = 27015070.

The previous prime is 54030121. The next prime is 54030143. The reversal of 54030142 is 24103045.

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 (54030143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13507534 + ... + 13507537.

It is an arithmetic number, because the mean of its divisors is an integer number (20261304).

Almost surely, 2^54030142 is an apocalyptic number.

54030142 is a deficient number, since it is larger than the sum of its proper divisors (27015074).

54030142 is a wasteful number, since it uses less digits than its factorization.

54030142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27015073.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 54030142 is about 7350.5198455619. The cubic root of 54030142 is about 378.0466288138.

Adding to 54030142 its reverse (24103045), we get a palindrome (78133187).

The spelling of 54030142 in words is "fifty-four million, thirty thousand, one hundred forty-two".