43240054 has 16 divisors (see below), whose sum is σ = 76199760. Its totient is φ = 18142560.

The previous prime is 43240051. The next prime is 43240081. The reversal of 43240054 is 45004234.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43240051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75309 + ... + 75880.

It is an arithmetic number, because the mean of its divisors is an integer number (4762485).

Almost surely, 2^43240054 is an apocalyptic number.

43240054 is a deficient number, since it is larger than the sum of its proper divisors (32959706).

43240054 is a wasteful number, since it uses less digits than its factorization.

43240054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151215.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 43240054 is about 6575.7169951268. The cubic root of 43240054 is about 350.9905382417.

Adding to 43240054 its reverse (45004234), we get a palindrome (88244288).

The spelling of 43240054 in words is "forty-three million, two hundred forty thousand, fifty-four".