52049143 has 4 divisors (see below), whose sum is σ = 52073320. Its totient is φ = 52024968.

The previous prime is 52049141. The next prime is 52049149. The reversal of 52049143 is 34194025.

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 52049143 - 2¹ = 52049141 is a prime.

It is a super-2 number, since 2×52049143² = 5418226574068898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52049141) 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, 8505 + ... + 13282.

It is an arithmetic number, because the mean of its divisors is an integer number (13018330).

Almost surely, 2^52049143 is an apocalyptic number.

52049143 is a deficient number, since it is larger than the sum of its proper divisors (24177).

52049143 is a wasteful number, since it uses less digits than its factorization.

52049143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24176.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 52049143 is about 7214.5092002159. The cubic root of 52049143 is about 373.3686599401.

The spelling of 52049143 in words is "fifty-two million, forty-nine thousand, one hundred forty-three".