50509797 has 16 divisors (see below), whose sum is σ = 73250688. Its totient is φ = 30772800.

The previous prime is 50509783. The next prime is 50509807. The reversal of 50509797 is 79790505.

It is a happy number.

It is not a de Polignac number, because 50509797 - 2¹² = 50505701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50509717) 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, 2473 + ... + 10350.

It is an arithmetic number, because the mean of its divisors is an integer number (4578168).

Almost surely, 2^50509797 is an apocalyptic number.

It is an amenable number.

50509797 is a deficient number, since it is larger than the sum of its proper divisors (22740891).

50509797 is a wasteful number, since it uses less digits than its factorization.

50509797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12940.

The product of its (nonzero) digits is 99225, while the sum is 42.

The square root of 50509797 is about 7107.0244828620. The cubic root of 50509797 is about 369.6509905919.

The spelling of 50509797 in words is "fifty million, five hundred nine thousand, seven hundred ninety-seven".