50428786 has 4 divisors (see below), whose sum is σ = 75643182. Its totient is φ = 25214392.

The previous prime is 50428769. The next prime is 50428787. The reversal of 50428786 is 68782405.

50428786 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68782405 = 5 ⋅13756481.

It can be written as a sum of positive squares in only one way, i.e., 28291761 + 22137025 = 5319^2 + 4705^2 .

It is not an unprimeable number, because it can be changed into a prime (50428787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12607195 + ... + 12607198.

Almost surely, 2^50428786 is an apocalyptic number.

50428786 is a deficient number, since it is larger than the sum of its proper divisors (25214396).

50428786 is a wasteful number, since it uses less digits than its factorization.

50428786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25214395.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 50428786 is about 7101.3228345147. The cubic root of 50428786 is about 369.4532611602.

The spelling of 50428786 in words is "fifty million, four hundred twenty-eight thousand, seven hundred eighty-six".