54100242 has 24 divisors (see below), whose sum is σ = 133962816. Its totient is φ = 15457176.

The previous prime is 54100231. The next prime is 54100259. The reversal of 54100242 is 24200145.

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

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, 214558 + ... + 214809.

It is an arithmetic number, because the mean of its divisors is an integer number (5581784).

Almost surely, 2^54100242 is an apocalyptic number.

54100242 is an abundant number, since it is smaller than the sum of its proper divisors (79862574).

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

54100242 is a wasteful number, since it uses less digits than its factorization.

54100242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429382 (or 429379 counting only the distinct ones).

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

The square root of 54100242 is about 7355.2866701441. The cubic root of 54100242 is about 378.2100537399.

Adding to 54100242 its reverse (24200145), we get a palindrome (78300387).

The spelling of 54100242 in words is "fifty-four million, one hundred thousand, two hundred forty-two".