50828729 has 12 divisors (see below), whose sum is σ = 59447808. Its totient is φ = 43331400.

The previous prime is 50828719. The next prime is 50828741. The reversal of 50828729 is 92782805.

It is a happy number.

It is not a de Polignac number, because 50828729 - 2⁸ = 50828473 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50828719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6644 + ... + 12074.

It is an arithmetic number, because the mean of its divisors is an integer number (4953984).

Almost surely, 2^50828729 is an apocalyptic number.

It is an amenable number.

50828729 is a deficient number, since it is larger than the sum of its proper divisors (8619079).

50828729 is a wasteful number, since it uses less digits than its factorization.

50828729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5636 (or 5629 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 50828729 is about 7129.4269755710. The cubic root of 50828729 is about 370.4273829403.

The spelling of 50828729 in words is "fifty million, eight hundred twenty-eight thousand, seven hundred twenty-nine".