54543642 has 16 divisors (see below), whose sum is σ = 114828960. Its totient is φ = 17224272.

The previous prime is 54543617. The next prime is 54543647. The reversal of 54543642 is 24634545.

It is not an unprimeable number, because it can be changed into a prime (54543647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239113 + ... + 239340.

It is an arithmetic number, because the mean of its divisors is an integer number (7176810).

Almost surely, 2^54543642 is an apocalyptic number.

54543642 is an abundant number, since it is smaller than the sum of its proper divisors (60285318).

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

54543642 is a wasteful number, since it uses less digits than its factorization.

54543642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478477.

The product of its digits is 57600, while the sum is 33.

The square root of 54543642 is about 7385.3667478332. The cubic root of 54543642 is about 379.2405005568.

The spelling of 54543642 in words is "fifty-four million, five hundred forty-three thousand, six hundred forty-two".