50801857729 has 16 divisors (see below), whose sum is σ = 60621730560. Its totient is φ = 41624985600.

The previous prime is 50801857723. The next prime is 50801857759. The reversal of 50801857729 is 92775810805.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 50801857729 - 2¹¹ = 50801855681 is a prime.

It is a super-3 number, since 3×50801857729³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50801857723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159217 + ... + 356305.

It is an arithmetic number, because the mean of its divisors is an integer number (3788858160).

Almost surely, 2^50801857729 is an apocalyptic number.

It is an amenable number.

50801857729 is a deficient number, since it is larger than the sum of its proper divisors (9819872831).

50801857729 is a wasteful number, since it uses less digits than its factorization.

50801857729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198720.

The product of its (nonzero) digits is 1411200, while the sum is 52.

The spelling of 50801857729 in words is "fifty billion, eight hundred one million, eight hundred fifty-seven thousand, seven hundred twenty-nine".