54555143 has 4 divisors (see below), whose sum is σ = 54616200. Its totient is φ = 54494088.

The previous prime is 54555107. The next prime is 54555169. The reversal of 54555143 is 34155545.

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 54555143 - 2⁶ = 54555079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54555173) 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, 29168 + ... + 30981.

It is an arithmetic number, because the mean of its divisors is an integer number (13654050).

Almost surely, 2^54555143 is an apocalyptic number.

54555143 is a deficient number, since it is larger than the sum of its proper divisors (61057).

54555143 is an equidigital number, since it uses as much as digits as its factorization.

54555143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61056.

The product of its digits is 30000, while the sum is 32.

The square root of 54555143 is about 7386.1453411099. The cubic root of 54555143 is about 379.2671540664.

The spelling of 54555143 in words is "fifty-four million, five hundred fifty-five thousand, one hundred forty-three".