54142242 has 32 divisors (see below), whose sum is σ = 135005184. Its totient is φ = 14062800.

The previous prime is 54142219. The next prime is 54142247. The reversal of 54142242 is 24224145.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (54142247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58134 + ... + 59057.

It is an arithmetic number, because the mean of its divisors is an integer number (4218912).

Almost surely, 2^54142242 is an apocalyptic number.

54142242 is an abundant number, since it is smaller than the sum of its proper divisors (80862942).

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

54142242 is a wasteful number, since it uses less digits than its factorization.

54142242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117214.

The product of its digits is 2560, while the sum is 24.

The square root of 54142242 is about 7358.1412054948. The cubic root of 54142242 is about 378.3079011973.

Adding to 54142242 its reverse (24224145), we get a palindrome (78366387).

The spelling of 54142242 in words is "fifty-four million, one hundred forty-two thousand, two hundred forty-two".