50428791 has 48 divisors (see below), whose sum is σ = 88865280. Its totient is φ = 28168560.

The previous prime is 50428787. The next prime is 50428801. The reversal of 50428791 is 19782405.

It is not a de Polignac number, because 50428791 - 2² = 50428787 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50428711) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61776 + ... + 62586.

It is an arithmetic number, because the mean of its divisors is an integer number (1851360).

Almost surely, 2^50428791 is an apocalyptic number.

50428791 is a deficient number, since it is larger than the sum of its proper divisors (38436489).

50428791 is a wasteful number, since it uses less digits than its factorization.

50428791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881 (or 868 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 50428791 is about 7101.3231865618. The cubic root of 50428791 is about 369.4532733706.

The spelling of 50428791 in words is "fifty million, four hundred twenty-eight thousand, seven hundred ninety-one".