43680054 has 64 divisors (see below), whose sum is σ = 101210112. Its totient is φ = 12441600.

The previous prime is 43680053. The next prime is 43680097. The reversal of 43680054 is 45008634.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43680053) 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 31 ways as a sum of consecutive naturals, for example, 75414 + ... + 75990.

It is an arithmetic number, because the mean of its divisors is an integer number (1581408).

Almost surely, 2^43680054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43680054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50605056).

43680054 is an abundant number, since it is smaller than the sum of its proper divisors (57530058).

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

43680054 is a wasteful number, since it uses less digits than its factorization.

43680054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 43680054 is about 6609.0887420279. The cubic root of 43680054 is about 352.1770534474.

Adding to 43680054 its reverse (45008634), we get a palindrome (88688688).

The spelling of 43680054 in words is "forty-three million, six hundred eighty thousand, fifty-four".