28296486550 has 12 divisors (see below), whose sum is σ = 52631465076. Its totient is φ = 11318594600.

The previous prime is 28296486541. The next prime is 28296486557. The reversal of 28296486550 is 5568469282.

It is a junction number, because it is equal to n+sod(n) for n = 28296486491 and 28296486500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28296486557) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 282964816 + ... + 282964915.

It is an arithmetic number, because the mean of its divisors is an integer number (4385955423).

Almost surely, 2^28296486550 is an apocalyptic number.

28296486550 is a deficient number, since it is larger than the sum of its proper divisors (24334978526).

28296486550 is a wasteful number, since it uses less digits than its factorization.

28296486550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565929743 (or 565929738 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 55.

The spelling of 28296486550 in words is "twenty-eight billion, two hundred ninety-six million, four hundred eighty-six thousand, five hundred fifty".