54002142 has 24 divisors (see below), whose sum is σ = 123163560. Its totient is φ = 17053200.

The previous prime is 54002111. The next prime is 54002153. The reversal of 54002142 is 24120045.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78609 + ... + 79292.

It is an arithmetic number, because the mean of its divisors is an integer number (5131815).

Almost surely, 2^54002142 is an apocalyptic number.

54002142 is an abundant number, since it is smaller than the sum of its proper divisors (69161418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54002142 is a wasteful number, since it uses less digits than its factorization.

54002142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157928 (or 157925 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 54002142 is about 7348.6149715440. The cubic root of 54002142 is about 377.9813125892.

Adding to 54002142 its reverse (24120045), we get a palindrome (78122187).

The spelling of 54002142 in words is "fifty-four million, two thousand, one hundred forty-two".