54244242 has 80 divisors (see below), whose sum is σ = 134164800. Its totient is φ = 16275168.

The previous prime is 54244241. The next prime is 54244247. The reversal of 54244242 is 24244245.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (54244241) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 90259 + ... + 90857.

It is an arithmetic number, because the mean of its divisors is an integer number (1677060).

Almost surely, 2^54244242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54244242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67082400).

54244242 is an abundant number, since it is smaller than the sum of its proper divisors (79920558).

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

54244242 is a wasteful number, since it uses less digits than its factorization.

54244242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669 (or 660 counting only the distinct ones).

The product of its digits is 10240, while the sum is 27.

The square root of 54244242 is about 7365.0690424462. The cubic root of 54244242 is about 378.5453202493.

Adding to 54244242 its reverse (24244245), we get a palindrome (78488487).

The spelling of 54244242 in words is "fifty-four million, two hundred forty-four thousand, two hundred forty-two".