54421539 has 12 divisors (see below), whose sum is σ = 76904856. Its totient is φ = 34113792.

The previous prime is 54421537. The next prime is 54421547. The reversal of 54421539 is 93512445.

54421539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54421539 - 2¹ = 54421537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54421537) 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 11 ways as a sum of consecutive naturals, for example, 52167 + ... + 53199.

It is an arithmetic number, because the mean of its divisors is an integer number (6408738).

Almost surely, 2^54421539 is an apocalyptic number.

54421539 is a deficient number, since it is larger than the sum of its proper divisors (22483317).

54421539 is an equidigital number, since it uses as much as digits as its factorization.

54421539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086 (or 1053 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 54421539 is about 7377.0955666848. The cubic root of 54421539 is about 378.9572961448.

The spelling of 54421539 in words is "fifty-four million, four hundred twenty-one thousand, five hundred thirty-nine".