28468550 has 48 divisors (see below), whose sum is σ = 58281984. Its totient is φ = 10260000.

The previous prime is 28468541. The next prime is 28468553. The reversal of 28468550 is 5586482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28468553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104915 + ... + 105185.

It is an arithmetic number, because the mean of its divisors is an integer number (1214208).

Almost surely, 2^28468550 is an apocalyptic number.

28468550 is an abundant number, since it is smaller than the sum of its proper divisors (29813434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28468550 is a wasteful number, since it uses less digits than its factorization.

28468550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 28468550 is about 5335.5927505761. The cubic root of 28468550 is about 305.3433381647.

The spelling of 28468550 in words is "twenty-eight million, four hundred sixty-eight thousand, five hundred fifty".