50111428 has 12 divisors (see below), whose sum is σ = 87757740. Its totient is φ = 25037792.

The previous prime is 50111419. The next prime is 50111443. The reversal of 50111428 is 82411105.

It can be written as a sum of positive squares in 2 ways, for example, as 40857664 + 9253764 = 6392^2 + 3042^2 .

It is a super-2 number, since 2×50111428² = 5022310432398368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50111399 and 50111408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3318 + ... + 10546.

It is an arithmetic number, because the mean of its divisors is an integer number (7313145).

Almost surely, 2^50111428 is an apocalyptic number.

It is an amenable number.

50111428 is a deficient number, since it is larger than the sum of its proper divisors (37646312).

50111428 is a wasteful number, since it uses less digits than its factorization.

50111428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8966 (or 8964 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 50111428 is about 7078.9425764022. The cubic root of 50111428 is about 368.6766163269.

The spelling of 50111428 in words is "fifty million, one hundred eleven thousand, four hundred twenty-eight".