50021696 has 14 divisors (see below), whose sum is σ = 99261930. Its totient is φ = 25010816.

The previous prime is 50021687. The next prime is 50021707. The reversal of 50021696 is 69612005.

It can be written as a sum of positive squares in only one way, i.e., 36772096 + 13249600 = 6064^2 + 3640^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 390731 + ... + 390858.

Almost surely, 2^50021696 is an apocalyptic number.

It is an amenable number.

50021696 is a deficient number, since it is larger than the sum of its proper divisors (49240234).

50021696 is an equidigital number, since it uses as much as digits as its factorization.

50021696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781601 (or 781591 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 50021696 is about 7072.6017843507. The cubic root of 50021696 is about 368.4564279902.

The spelling of 50021696 in words is "fifty million, twenty-one thousand, six hundred ninety-six".