54421632 has 160 divisors (see below), whose sum is σ = 168468300. Its totient is φ = 17418240.

The previous prime is 54421613. The next prime is 54421639. The reversal of 54421632 is 23612445.

54421632 is a `hidden beast` number, since 5 + 4 + 4 + 21 + 632 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 48776256 + 5645376 = 6984^2 + 2376^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 54421596 and 54421605.

It is not an unprimeable number, because it can be changed into a prime (54421639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 300582 + ... + 300762.

Almost surely, 2^54421632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54421632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84234150).

54421632 is an abundant number, since it is smaller than the sum of its proper divisors (114046668).

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

54421632 is a wasteful number, since it uses less digits than its factorization.

54421632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236 (or 215 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 54421632 is about 7377.1018699758. The cubic root of 54421632 is about 378.9575120092.

The spelling of 54421632 in words is "fifty-four million, four hundred twenty-one thousand, six hundred thirty-two".