551532346432 has 14 divisors (see below), whose sum is σ = 1094447000078. Its totient is φ = 275766173184.

The previous prime is 551532346429. The next prime is 551532346433. The reversal of 551532346432 is 234643235155.

It can be written as a sum of positive squares in only one way, i.e., 352095077376 + 199437269056 = 593376^2 + 446584^2 .

It is not an unprimeable number, because it can be changed into a prime (551532346433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4308846393 + ... + 4308846520.

Almost surely, 2^551532346432 is an apocalyptic number.

It is an amenable number.

551532346432 is a deficient number, since it is larger than the sum of its proper divisors (542914653646).

551532346432 is an equidigital number, since it uses as much as digits as its factorization.

551532346432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8617692925 (or 8617692915 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 43.

The spelling of 551532346432 in words is "five hundred fifty-one billion, five hundred thirty-two million, three hundred forty-six thousand, four hundred thirty-two".