54143071 has 2 divisors, whose sum is σ = 54143072. Its totient is φ = 54143070.

The previous prime is 54143069. The next prime is 54143077. The reversal of 54143071 is 17034145.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54143071 - 2¹ = 54143069 is a prime.

It is a super-2 number, since 2×54143071² = 5862944274622082, which contains 22 as substring.

Together with 54143069, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54143077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27071535 + 27071536.

It is an arithmetic number, because the mean of its divisors is an integer number (27071536).

Almost surely, 2^54143071 is an apocalyptic number.

54143071 is a deficient number, since it is larger than the sum of its proper divisors (1).

54143071 is an equidigital number, since it uses as much as digits as its factorization.

54143071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 54143071 is about 7358.1975374408. The cubic root of 54143071 is about 378.3098320104.

The spelling of 54143071 in words is "fifty-four million, one hundred forty-three thousand, seventy-one".