50728022 has 4 divisors (see below), whose sum is σ = 76092036. Its totient is φ = 25364010.

The previous prime is 50727977. The next prime is 50728031. The reversal of 50728022 is 22082705.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22082705 = 5 ⋅4416541.

It is a junction number, because it is equal to n+sod(n) for n = 50727982 and 50728000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12682004 + ... + 12682007.

It is an arithmetic number, because the mean of its divisors is an integer number (19023009).

Almost surely, 2^50728022 is an apocalyptic number.

50728022 is a deficient number, since it is larger than the sum of its proper divisors (25364014).

50728022 is a wasteful number, since it uses less digits than its factorization.

50728022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25364013.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 50728022 is about 7122.3607041486. The cubic root of 50728022 is about 370.1825785054.

The spelling of 50728022 in words is "fifty million, seven hundred twenty-eight thousand, twenty-two".