54388242 has 12 divisors (see below), whose sum is σ = 117841230. Its totient is φ = 18129408.

The previous prime is 54388231. The next prime is 54388247. The reversal of 54388242 is 24288345.

It can be written as a sum of positive squares in only one way, i.e., 39803481 + 14584761 = 6309^2 + 3819^2 .

It is a junction number, because it is equal to n+sod(n) for n = 54388197 and 54388206.

It is not an unprimeable number, because it can be changed into a prime (54388247) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1510767 + ... + 1510802.

Almost surely, 2^54388242 is an apocalyptic number.

54388242 is an abundant number, since it is smaller than the sum of its proper divisors (63452988).

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

54388242 is a wasteful number, since it uses less digits than its factorization.

54388242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3021577 (or 3021574 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 54388242 is about 7374.8384389083. The cubic root of 54388242 is about 378.8799939369.

The spelling of 54388242 in words is "fifty-four million, three hundred eighty-eight thousand, two hundred forty-two".