28627550 has 48 divisors (see below), whose sum is σ = 61281792. Its totient is φ = 9746400.

The previous prime is 28627549. The next prime is 28627583. The reversal of 28627550 is 5572682.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 28627550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91895 + ... + 92205.

It is an arithmetic number, because the mean of its divisors is an integer number (1276704).

Almost surely, 2^28627550 is an apocalyptic number.

28627550 is an abundant number, since it is smaller than the sum of its proper divisors (32654242).

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

28627550 is a wasteful number, since it uses less digits than its factorization.

28627550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 28627550 is about 5350.4719418010. The cubic root of 28627550 is about 305.9107419048.

The spelling of 28627550 in words is "twenty-eight million, six hundred twenty-seven thousand, five hundred fifty".