54421938 has 48 divisors (see below), whose sum is σ = 121212000. Its totient is φ = 17641152.

The previous prime is 54421921. The next prime is 54421963. The reversal of 54421938 is 83912445.

54421938 is a `hidden beast` number, since 544 + 21 + 93 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108813 + ... + 109311.

It is an arithmetic number, because the mean of its divisors is an integer number (2525250).

Almost surely, 2^54421938 is an apocalyptic number.

54421938 is an abundant number, since it is smaller than the sum of its proper divisors (66790062).

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

54421938 is a wasteful number, since it uses less digits than its factorization.

54421938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663 (or 660 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 54421938 is about 7377.1226097985. The cubic root of 54421938 is about 378.9582222707.

The spelling of 54421938 in words is "fifty-four million, four hundred twenty-one thousand, nine hundred thirty-eight".