551275032 has 192 divisors, whose sum is σ = 1771176960. Its totient is φ = 139898880.

The previous prime is 551275019. The next prime is 551275051. The reversal of 551275032 is 230572155.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 955128 + ... + 955704.

It is an arithmetic number, because the mean of its divisors is an integer number (9224880).

Almost surely, 2^551275032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551275032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (885588480).

551275032 is an abundant number, since it is smaller than the sum of its proper divisors (1219901928).

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

551275032 is a wasteful number, since it uses less digits than its factorization.

551275032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662 (or 647 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 551275032 is about 23479.2468363021. The cubic root of 551275032 is about 819.9539097632.

The spelling of 551275032 in words is "five hundred fifty-one million, two hundred seventy-five thousand, thirty-two".