54102242 has 16 divisors (see below), whose sum is σ = 82828032. Its totient is φ = 26496720.

The previous prime is 54102239. The next prime is 54102263. The reversal of 54102242 is 24220145.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33743 + ... + 35309.

It is an arithmetic number, because the mean of its divisors is an integer number (5176752).

Almost surely, 2^54102242 is an apocalyptic number.

54102242 is a deficient number, since it is larger than the sum of its proper divisors (28725790).

54102242 is a wasteful number, since it uses less digits than its factorization.

54102242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 54102242 is about 7355.4226255192. The cubic root of 54102242 is about 378.2147142908.

Adding to 54102242 its reverse (24220145), we get a palindrome (78322387).

The spelling of 54102242 in words is "fifty-four million, one hundred two thousand, two hundred forty-two".