54320642 has 4 divisors (see below), whose sum is σ = 81480966. Its totient is φ = 27160320.

The previous prime is 54320621. The next prime is 54320657. The reversal of 54320642 is 24602345.

54320642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 47761921 + 6558721 = 6911^2 + 2561^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 13580159 + ... + 13580162.

Almost surely, 2^54320642 is an apocalyptic number.

54320642 is a deficient number, since it is larger than the sum of its proper divisors (27160324).

54320642 is a wasteful number, since it uses less digits than its factorization.

54320642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27160323.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 54320642 is about 7370.2538626563. The cubic root of 54320642 is about 378.7229568931.

Adding to 54320642 its reverse (24602345), we get a palindrome (78922987).

The spelling of 54320642 in words is "fifty-four million, three hundred twenty thousand, six hundred forty-two".