55043429 has 4 divisors (see below), whose sum is σ = 62906784. Its totient is φ = 47180076.

The previous prime is 55043423. The next prime is 55043447. The reversal of 55043429 is 92434055.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55043429 - 2⁴ = 55043413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55043395 and 55043404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55043423) 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, 3931667 + ... + 3931680.

It is an arithmetic number, because the mean of its divisors is an integer number (15726696).

Almost surely, 2^55043429 is an apocalyptic number.

It is an amenable number.

55043429 is a deficient number, since it is larger than the sum of its proper divisors (7863355).

55043429 is an equidigital number, since it uses as much as digits as its factorization.

55043429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7863354.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 55043429 is about 7419.1258919094. The cubic root of 55043429 is about 380.3953157554.

The spelling of 55043429 in words is "fifty-five million, forty-three thousand, four hundred twenty-nine".