54782244 has 120 divisors (see below), whose sum is σ = 164656800. Its totient is φ = 15707520.

The previous prime is 54782243. The next prime is 54782249. The reversal of 54782244 is 44228745.

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 = 54782199 and 54782208.

It is not an unprimeable number, because it can be changed into a prime (54782243) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 67312 + ... + 68120.

It is an arithmetic number, because the mean of its divisors is an integer number (1372140).

Almost surely, 2^54782244 is an apocalyptic number.

54782244 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 54782244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82328400).

54782244 is an abundant number, since it is smaller than the sum of its proper divisors (109874556).

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

54782244 is a wasteful number, since it uses less digits than its factorization.

54782244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855 (or 844 counting only the distinct ones).

The product of its digits is 71680, while the sum is 36.

The square root of 54782244 is about 7401.5028203737. The cubic root of 54782244 is about 379.7926939439.

The spelling of 54782244 in words is "fifty-four million, seven hundred eighty-two thousand, two hundred forty-four".