28551050 has 96 divisors (see below), whose sum is σ = 63103104. Its totient is φ = 9504000.

The previous prime is 28551023. The next prime is 28551101. The reversal of 28551050 is 5015582.

It is a super-2 number, since 2×28551050² = 1630324912205000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 468020 + ... + 468080.

It is an arithmetic number, because the mean of its divisors is an integer number (657324).

Almost surely, 2^28551050 is an apocalyptic number.

28551050 is an abundant number, since it is smaller than the sum of its proper divisors (34552054).

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

28551050 is a wasteful number, since it uses less digits than its factorization.

28551050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 28551050 is about 5343.3182574127. The cubic root of 28551050 is about 305.6380087247.

The spelling of 28551050 in words is "twenty-eight million, five hundred fifty-one thousand, fifty".