54777143 has 16 divisors (see below), whose sum is σ = 58358880. Its totient is φ = 51332736.

The previous prime is 54777113. The next prime is 54777157. The reversal of 54777143 is 34177745.

It is a cyclic number.

It is not a de Polignac number, because 54777143 - 2¹⁶ = 54711607 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54777097 and 54777106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54777113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241196 + ... + 241422.

It is an arithmetic number, because the mean of its divisors is an integer number (3647430).

Almost surely, 2^54777143 is an apocalyptic number.

54777143 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

54777143 is a deficient number, since it is larger than the sum of its proper divisors (3581737).

54777143 is a wasteful number, since it uses less digits than its factorization.

54777143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466.

The product of its digits is 82320, while the sum is 38.

The square root of 54777143 is about 7401.1582201707. The cubic root of 54777143 is about 379.7809055582.

The spelling of 54777143 in words is "fifty-four million, seven hundred seventy-seven thousand, one hundred forty-three".