54538242 has 32 divisors (see below), whose sum is σ = 119257920. Its totient is φ = 16489920.

The previous prime is 54538229. The next prime is 54538247. The reversal of 54538242 is 24283545.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (54538247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50484 + ... + 51552.

It is an arithmetic number, because the mean of its divisors is an integer number (3726810).

Almost surely, 2^54538242 is an apocalyptic number.

54538242 is an abundant number, since it is smaller than the sum of its proper divisors (64719678).

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

54538242 is a wasteful number, since it uses less digits than its factorization.

54538242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858.

The product of its digits is 38400, while the sum is 33.

The square root of 54538242 is about 7385.0011509816. The cubic root of 54538242 is about 379.2279847913.

It can be divided in two parts, 5453 and 8242, that added together give a triangular number (13695 = T₁₆₅).

The spelling of 54538242 in words is "fifty-four million, five hundred thirty-eight thousand, two hundred forty-two".