50781336 has 32 divisors (see below), whose sum is σ = 127771440. Its totient is φ = 16818048.

The previous prime is 50781301. The next prime is 50781347. The reversal of 50781336 is 63318705.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 50781297 and 50781306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2971 + ... + 10506.

Almost surely, 2^50781336 is an apocalyptic number.

It is an amenable number.

50781336 is an abundant number, since it is smaller than the sum of its proper divisors (76990104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50781336 is a wasteful number, since it uses less digits than its factorization.

50781336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13643 (or 13639 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 50781336 is about 7126.1024410262. The cubic root of 50781336 is about 370.3122175967.

The spelling of 50781336 in words is "fifty million, seven hundred eighty-one thousand, three hundred thirty-six".