52000729 has 4 divisors (see below), whose sum is σ = 56728080. Its totient is φ = 47273380.

The previous prime is 52000727. The next prime is 52000787. The reversal of 52000729 is 92700025.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 52000729 - 2¹ = 52000727 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52000721) 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, 2363659 + ... + 2363680.

It is an arithmetic number, because the mean of its divisors is an integer number (14182020).

Almost surely, 2^52000729 is an apocalyptic number.

It is an amenable number.

52000729 is a deficient number, since it is larger than the sum of its proper divisors (4727351).

52000729 is a wasteful number, since it uses less digits than its factorization.

52000729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4727350.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 52000729 is about 7211.1530978062. The cubic root of 52000729 is about 373.2528599047.

The spelling of 52000729 in words is "fifty-two million, seven hundred twenty-nine", and thus it is an aban number.