50699421 has 6 divisors (see below), whose sum is σ = 73232510. Its totient is φ = 33799608.

The previous prime is 50699413. The next prime is 50699431. The reversal of 50699421 is 12499605.

50699421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 36905625 + 13793796 = 6075^2 + 3714^2 .

It is not a de Polignac number, because 50699421 - 2³ = 50699413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50699431) 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 5 ways as a sum of consecutive naturals, for example, 2816626 + ... + 2816643.

Almost surely, 2^50699421 is an apocalyptic number.

It is an amenable number.

50699421 is a deficient number, since it is larger than the sum of its proper divisors (22533089).

50699421 is a wasteful number, since it uses less digits than its factorization.

50699421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5633275 (or 5633272 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 50699421 is about 7120.3525895843. The cubic root of 50699421 is about 370.1129944640.

The spelling of 50699421 in words is "fifty million, six hundred ninety-nine thousand, four hundred twenty-one".