551541988 has 12 divisors (see below), whose sum is σ = 966203392. Its totient is φ = 275483880.

The previous prime is 551541961. The next prime is 551542021. The reversal of 551541988 is 889145155.

It is a happy number.

It is a super-3 number, since 3×551541988³ (a number of 27 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67428 + ... + 75163.

Almost surely, 2^551541988 is an apocalyptic number.

It is an amenable number.

551541988 is a deficient number, since it is larger than the sum of its proper divisors (414661404).

551541988 is a wasteful number, since it uses less digits than its factorization.

551541988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143562 (or 143560 counting only the distinct ones).

The product of its digits is 288000, while the sum is 46.

The square root of 551541988 is about 23484.9310835693. The cubic root of 551541988 is about 820.0862431599.

The spelling of 551541988 in words is "five hundred fifty-one million, five hundred forty-one thousand, nine hundred eighty-eight".