54451782 has 96 divisors (see below), whose sum is σ = 155810304. Its totient is φ = 13305600.

The previous prime is 54451729. The next prime is 54451811. The reversal of 54451782 is 28715445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22407 + ... + 24717.

It is an arithmetic number, because the mean of its divisors is an integer number (1623024).

Almost surely, 2^54451782 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54451782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77905152).

54451782 is an abundant number, since it is smaller than the sum of its proper divisors (101358522).

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

54451782 is a wasteful number, since it uses less digits than its factorization.

54451782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354 (or 2351 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 54451782 is about 7379.1450724322. The cubic root of 54451782 is about 379.0274808755.

It can be divided in two parts, 5445 and 1782, that added together give a palindrome (7227).

The spelling of 54451782 in words is "fifty-four million, four hundred fifty-one thousand, seven hundred eighty-two".