55431043 has 8 divisors (see below), whose sum is σ = 56641280. Its totient is φ = 54232200.

The previous prime is 55431041. The next prime is 55431059. The reversal of 55431043 is 34013455.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55431043 - 2¹ = 55431041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55430999 and 55431017.

It is not an unprimeable number, because it can be changed into a prime (55431041) 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, 7378 + ... + 12856.

It is an arithmetic number, because the mean of its divisors is an integer number (7080160).

Almost surely, 2^55431043 is an apocalyptic number.

55431043 is a deficient number, since it is larger than the sum of its proper divisors (1210237).

55431043 is a wasteful number, since it uses less digits than its factorization.

55431043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5697.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 55431043 is about 7445.2026836077. The cubic root of 55431043 is about 381.2861383642.

Adding to 55431043 its reverse (34013455), we get a palindrome (89444498).

The spelling of 55431043 in words is "fifty-five million, four hundred thirty-one thousand, forty-three".