50899797 has 12 divisors (see below), whose sum is σ = 79177644. Its totient is φ = 31322880.

The previous prime is 50899789. The next prime is 50899811. The reversal of 50899797 is 79799805.

It can be written as a sum of positive squares in 2 ways, for example, as 14791716 + 36108081 = 3846^2 + 6009^2 .

It is not a de Polignac number, because 50899797 - 2³ = 50899789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50899757) 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, 217404 + ... + 217637.

It is an arithmetic number, because the mean of its divisors is an integer number (6598137).

Almost surely, 2^50899797 is an apocalyptic number.

It is an amenable number.

50899797 is a deficient number, since it is larger than the sum of its proper divisors (28277847).

50899797 is a wasteful number, since it uses less digits than its factorization.

50899797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435060 (or 435057 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 54.

The square root of 50899797 is about 7134.4093658831. The cubic root of 50899797 is about 370.5999446258.

The spelling of 50899797 in words is "fifty million, eight hundred ninety-nine thousand, seven hundred ninety-seven".