551359632 has 120 divisors (see below), whose sum is σ = 1537508736. Its totient is φ = 170157312.

The previous prime is 551359603. The next prime is 551359637. The reversal of 551359632 is 236953155.

It is not an unprimeable number, because it can be changed into a prime (551359637) 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 23 ways as a sum of consecutive naturals, for example, 814078 + ... + 814754.

Almost surely, 2^551359632 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 551359632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (768754368).

551359632 is an abundant number, since it is smaller than the sum of its proper divisors (986149104).

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

551359632 is a wasteful number, since it uses less digits than its factorization.

551359632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773 (or 748 counting only the distinct ones).

The product of its digits is 121500, while the sum is 39.

The square root of 551359632 is about 23481.0483581973. The cubic root of 551359632 is about 819.9958516546.

The spelling of 551359632 in words is "five hundred fifty-one million, three hundred fifty-nine thousand, six hundred thirty-two".