52899729 has 8 divisors (see below), whose sum is σ = 70649760. Its totient is φ = 35208096.

The previous prime is 52899719. The next prime is 52899773. The reversal of 52899729 is 92799825.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52899729 - 2⁵ = 52899697 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52899709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12439 + ... + 16140.

It is an arithmetic number, because the mean of its divisors is an integer number (8831220).

Almost surely, 2^52899729 is an apocalyptic number.

It is an amenable number.

52899729 is a deficient number, since it is larger than the sum of its proper divisors (17750031).

52899729 is a wasteful number, since it uses less digits than its factorization.

52899729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29199.

The product of its digits is 816480, while the sum is 51.

The square root of 52899729 is about 7273.2199884233. The cubic root of 52899729 is about 375.3915412678.

It can be divided in two parts, 52899 and 729, that added together give a triangular number (53628 = T₃₂₇).

The spelling of 52899729 in words is "fifty-two million, eight hundred ninety-nine thousand, seven hundred twenty-nine".