54220043 has 4 divisors (see below), whose sum is σ = 54247488. Its totient is φ = 54192600.

The previous prime is 54220031. The next prime is 54220087. The reversal of 54220043 is 34002245.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54220043 - 2¹² = 54215947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54219997 and 54220024.

It is not an unprimeable number, because it can be changed into a prime (54220843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10508 + ... + 14793.

It is an arithmetic number, because the mean of its divisors is an integer number (13561872).

Almost surely, 2^54220043 is an apocalyptic number.

54220043 is a deficient number, since it is larger than the sum of its proper divisors (27445).

54220043 is a wasteful number, since it uses less digits than its factorization.

54220043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27444.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 54220043 is about 7363.4260368391. The cubic root of 54220043 is about 378.4890206902.

Adding to 54220043 its reverse (34002245), we get a palindrome (88222288).

The spelling of 54220043 in words is "fifty-four million, two hundred twenty thousand, forty-three".