50739997 has 8 divisors (see below), whose sum is σ = 63260352. Its totient is φ = 39537600.

The previous prime is 50739989. The next prime is 50740003. The reversal of 50739997 is 79993705.

50739997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 50739997 - 2³ = 50739989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50739997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50739907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329404 + ... + 329557.

It is an arithmetic number, because the mean of its divisors is an integer number (7907544).

Almost surely, 2^50739997 is an apocalyptic number.

It is an amenable number.

50739997 is a deficient number, since it is larger than the sum of its proper divisors (12520355).

50739997 is a wasteful number, since it uses less digits than its factorization.

50739997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658979.

The product of its (nonzero) digits is 535815, while the sum is 49.

The square root of 50739997 is about 7123.2013168238. The cubic root of 50739997 is about 370.2117049949.

It can be divided in two parts, 507 and 39997, that added together give a palindrome (40504).

The spelling of 50739997 in words is "fifty million, seven hundred thirty-nine thousand, nine hundred ninety-seven".