551355232 has 12 divisors (see below), whose sum is σ = 1085480676. Its totient is φ = 275677600.

The previous prime is 551355229. The next prime is 551355251. The reversal of 551355232 is 232553155.

It is a junction number, because it is equal to n+sod(n) for n = 551355194 and 551355203.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 8614894 + ... + 8614957.

It is an arithmetic number, because the mean of its divisors is an integer number (90456723).

Almost surely, 2^551355232 is an apocalyptic number.

It is an amenable number.

551355232 is a deficient number, since it is larger than the sum of its proper divisors (534125444).

551355232 is a wasteful number, since it uses less digits than its factorization.

551355232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17229861 (or 17229853 counting only the distinct ones).

The product of its digits is 22500, while the sum is 31.

The square root of 551355232 is about 23480.9546654304. The cubic root of 551355232 is about 819.9936703854.

The spelling of 551355232 in words is "five hundred fifty-one million, three hundred fifty-five thousand, two hundred thirty-two".