551818152 has 48 divisors (see below), whose sum is σ = 1497600000. Its totient is φ = 183558816.

The previous prime is 551818151. The next prime is 551818193. The reversal of 551818152 is 251818155.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (551818151) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 28249 + ... + 43607.

It is an arithmetic number, because the mean of its divisors is an integer number (31200000).

Almost surely, 2^551818152 is an apocalyptic number.

It is an amenable number.

551818152 is an abundant number, since it is smaller than the sum of its proper divisors (945781848).

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

551818152 is a wasteful number, since it uses less digits than its factorization.

551818152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15870 (or 15863 counting only the distinct ones).

The product of its digits is 16000, while the sum is 36.

The square root of 551818152 is about 23490.8099477221. The cubic root of 551818152 is about 820.2230961481.

The spelling of 551818152 in words is "five hundred fifty-one million, eight hundred eighteen thousand, one hundred fifty-two".