54187242 has 8 divisors (see below), whose sum is σ = 108374496. Its totient is φ = 18062412.

The previous prime is 54187213. The next prime is 54187247. The reversal of 54187242 is 24278145.

It is a sphenic number, since it is the product of 3 distinct primes.

54187242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (54187247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4515598 + ... + 4515609.

It is an arithmetic number, because the mean of its divisors is an integer number (13546812).

Almost surely, 2^54187242 is an apocalyptic number.

54187242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

54187242 is a wasteful number, since it uses less digits than its factorization.

54187242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9031212.

The product of its digits is 17920, while the sum is 33.

The square root of 54187242 is about 7361.1984078681. The cubic root of 54187242 is about 378.4126816219.

The spelling of 54187242 in words is "fifty-four million, one hundred eighty-seven thousand, two hundred forty-two".