54809244 has 72 divisors (see below), whose sum is σ = 165313680. Its totient is φ = 15658272.

The previous prime is 54809213. The next prime is 54809267. The reversal of 54809244 is 44290845.

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 = 54809199 and 54809208.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 114 + ... + 10470.

Almost surely, 2^54809244 is an apocalyptic number.

54809244 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 54809244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82656840).

54809244 is an abundant number, since it is smaller than the sum of its proper divisors (110504436).

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

54809244 is a wasteful number, since it uses less digits than its factorization.

54809244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10384 (or 10369 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 54809244 is about 7403.3265495992. The cubic root of 54809244 is about 379.8550786254.

It can be divided in two parts, 5 and 4809244, that added together give a square (4809249 = 2193²).

The spelling of 54809244 in words is "fifty-four million, eight hundred nine thousand, two hundred forty-four".