54436644 has 48 divisors (see below), whose sum is σ = 143463040. Its totient is φ = 17845920.

The previous prime is 54436637. The next prime is 54436661. The reversal of 54436644 is 44663445.

54436644 is a `hidden beast` number, since 5 + 4 + 4 + 3 + 6 + 644 = 666.

54436644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×54436644³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 54436599 and 54436608.

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 in 15 ways as a sum of consecutive naturals, for example, 2457 + ... + 10719.

Almost surely, 2^54436644 is an apocalyptic number.

54436644 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54436644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71731520).

54436644 is an abundant number, since it is smaller than the sum of its proper divisors (89026396).

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

54436644 is a wasteful number, since it uses less digits than its factorization.

54436644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8337 (or 8329 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The square root of 54436644 is about 7378.1192725518. The cubic root of 54436644 is about 378.9923534681.

The spelling of 54436644 in words is "fifty-four million, four hundred thirty-six thousand, six hundred forty-four".