551100032 has 32 divisors (see below), whose sum is σ = 1254738720. Its totient is φ = 236185344.

The previous prime is 551100023. The next prime is 551100071. The reversal of 551100032 is 230001155.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×551100032² = 607422490540802048, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306638 + ... + 308429.

It is an arithmetic number, because the mean of its divisors is an integer number (39210585).

Almost surely, 2^551100032 is an apocalyptic number.

It is an amenable number.

551100032 is an abundant number, since it is smaller than the sum of its proper divisors (703638688).

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

551100032 is an equidigital number, since it uses as much as digits as its factorization.

551100032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615088 (or 615076 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 551100032 is about 23475.5198451493. The cubic root of 551100032 is about 819.8671369110.

Adding to 551100032 its reverse (230001155), we get a palindrome (781101187).

The spelling of 551100032 in words is "five hundred fifty-one million, one hundred thousand, thirty-two".