551250500 has 48 divisors (see below), whose sum is σ = 1274770224. Its totient is φ = 207526400.

The previous prime is 551250481. The next prime is 551250503. The reversal of 551250500 is 5052155.

It can be written as a sum of positive squares in 8 ways, for example, as 51638596 + 499611904 = 7186^2 + 22352^2 .

It is a super-2 number, since 2×551250500² = 607754227500500000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (551250503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23927 + ... + 40926.

It is an arithmetic number, because the mean of its divisors is an integer number (26557713).

Almost surely, 2^551250500 is an apocalyptic number.

551250500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

551250500 is an abundant number, since it is smaller than the sum of its proper divisors (723519724).

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

551250500 is a wasteful number, since it uses less digits than its factorization.

551250500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64889 (or 64877 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 23.

The square root of 551250500 is about 23478.7244116881. The cubic root of 551250500 is about 819.9417468037.

The spelling of 551250500 in words is "five hundred fifty-one million, two hundred fifty thousand, five hundred".