50778372 has 24 divisors (see below), whose sum is σ = 122305792. Its totient is φ = 16380000.

The previous prime is 50778367. The next prime is 50778373. The reversal of 50778372 is 27387705.

It is a self number, because there is not a number n which added to its sum of digits gives 50778372.

It is not an unprimeable number, because it can be changed into a prime (50778373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67879 + ... + 68622.

Almost surely, 2^50778372 is an apocalyptic number.

It is an amenable number.

50778372 is an abundant number, since it is smaller than the sum of its proper divisors (71527420).

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

50778372 is a wasteful number, since it uses less digits than its factorization.

50778372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136539 (or 136537 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 39.

The square root of 50778372 is about 7125.8944701700. The cubic root of 50778372 is about 370.3050126742.

The spelling of 50778372 in words is "fifty million, seven hundred seventy-eight thousand, three hundred seventy-two".