50991382 has 16 divisors (see below), whose sum is σ = 83366640. Its totient is φ = 23249952.

The previous prime is 50991361. The next prime is 50991397. The reversal of 50991382 is 28319905.

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, 9657 + ... + 13972.

It is an arithmetic number, because the mean of its divisors is an integer number (5210415).

Almost surely, 2^50991382 is an apocalyptic number.

50991382 is a deficient number, since it is larger than the sum of its proper divisors (32375258).

50991382 is a wasteful number, since it uses less digits than its factorization.

50991382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23727.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 50991382 is about 7140.8250223626. The cubic root of 50991382 is about 370.8220873527.

The spelling of 50991382 in words is "fifty million, nine hundred ninety-one thousand, three hundred eighty-two".