551899932 has 12 divisors (see below), whose sum is σ = 1287766536. Its totient is φ = 183966640.

The previous prime is 551899921. The next prime is 551899939. The reversal of 551899932 is 239998155.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551899939) 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 3 ways as a sum of consecutive naturals, for example, 22995819 + ... + 22995842.

It is an arithmetic number, because the mean of its divisors is an integer number (107313878).

Almost surely, 2^551899932 is an apocalyptic number.

It is an amenable number.

551899932 is an abundant number, since it is smaller than the sum of its proper divisors (735866604).

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

551899932 is a wasteful number, since it uses less digits than its factorization.

551899932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45991668 (or 45991666 counting only the distinct ones).

The product of its digits is 874800, while the sum is 51.

The square root of 551899932 is about 23492.5505639554. The cubic root of 551899932 is about 820.2636134400.

The spelling of 551899932 in words is "five hundred fifty-one million, eight hundred ninety-nine thousand, nine hundred thirty-two".