54309642 has 16 divisors (see below), whose sum is σ = 110400672. Its totient is φ = 17806320.

The previous prime is 54309641. The next prime is 54309653. The reversal of 54309642 is 24690345.

54309642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (54309641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73828 + ... + 74559.

It is an arithmetic number, because the mean of its divisors is an integer number (6900042).

Almost surely, 2^54309642 is an apocalyptic number.

54309642 is an abundant number, since it is smaller than the sum of its proper divisors (56091030).

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

54309642 is a wasteful number, since it uses less digits than its factorization.

54309642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148453.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 54309642 is about 7369.5075819216. The cubic root of 54309642 is about 378.6973912050.

Adding to 54309642 its reverse (24690345), we get a palindrome (78999987).

The spelling of 54309642 in words is "fifty-four million, three hundred nine thousand, six hundred forty-two".