551075632 has 40 divisors (see below), whose sum is σ = 1134414000. Its totient is φ = 258838272.

The previous prime is 551075617. The next prime is 551075633. The reversal of 551075632 is 236570155.

It is not an unprimeable number, because it can be changed into a prime (551075633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1119 + ... + 33217.

It is an arithmetic number, because the mean of its divisors is an integer number (28360350).

Almost surely, 2^551075632 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 551075632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (567207000).

551075632 is an abundant number, since it is smaller than the sum of its proper divisors (583338368).

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

551075632 is a wasteful number, since it uses less digits than its factorization.

551075632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32173 (or 32167 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 34.

The square root of 551075632 is about 23475.0001490948. Note that the first 3 decimals coincide. The cubic root of 551075632 is about 819.8550368371.

The spelling of 551075632 in words is "five hundred fifty-one million, seventy-five thousand, six hundred thirty-two".