55447043 has 16 divisors (see below), whose sum is σ = 60540480. Its totient is φ = 50620416.

The previous prime is 55447039. The next prime is 55447097. The reversal of 55447043 is 34074455.

It is a cyclic number.

It is not a de Polignac number, because 55447043 - 2² = 55447039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55447543) 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 15 ways as a sum of consecutive naturals, for example, 64271 + ... + 65127.

It is an arithmetic number, because the mean of its divisors is an integer number (3783780).

Almost surely, 2^55447043 is an apocalyptic number.

55447043 is a deficient number, since it is larger than the sum of its proper divisors (5093437).

55447043 is a wasteful number, since it uses less digits than its factorization.

55447043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006.

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 55447043 is about 7446.2771235027. The cubic root of 55447043 is about 381.3228205252.

The spelling of 55447043 in words is "fifty-five million, four hundred forty-seven thousand, forty-three".