55451143 has 8 divisors (see below), whose sum is σ = 61395840. Its totient is φ = 49657080.

The previous prime is 55451083. The next prime is 55451159. The reversal of 55451143 is 34115455.

55451143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 55451143 - 2²¹ = 53353991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55451743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36883 + ... + 38356.

It is an arithmetic number, because the mean of its divisors is an integer number (7674480).

Almost surely, 2^55451143 is an apocalyptic number.

55451143 is a deficient number, since it is larger than the sum of its proper divisors (5944697).

55451143 is a wasteful number, since it uses less digits than its factorization.

55451143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75317.

The product of its digits is 6000, while the sum is 28.

The square root of 55451143 is about 7446.5524237730. The cubic root of 55451143 is about 381.3322191931.

Adding to 55451143 its reverse (34115455), we get a palindrome (89566598).

The spelling of 55451143 in words is "fifty-five million, four hundred fifty-one thousand, one hundred forty-three".