54143959 has 2 divisors, whose sum is σ = 54143960. Its totient is φ = 54143958.

The previous prime is 54143927. The next prime is 54143981. The reversal of 54143959 is 95934145.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54143959 - 2⁵ = 54143927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54143059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27071979 + 27071980.

It is an arithmetic number, because the mean of its divisors is an integer number (27071980).

Almost surely, 2^54143959 is an apocalyptic number.

54143959 is a deficient number, since it is larger than the sum of its proper divisors (1).

54143959 is an equidigital number, since it uses as much as digits as its factorization.

54143959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 40.

The square root of 54143959 is about 7358.2578780578. The cubic root of 54143959 is about 378.3119002178.

The spelling of 54143959 in words is "fifty-four million, one hundred forty-three thousand, nine hundred fifty-nine".