551809882532 has 24 divisors (see below), whose sum is σ = 981271494336. Its totient is φ = 271456609248.

The previous prime is 551809882489. The next prime is 551809882549. The reversal of 551809882532 is 235288908155.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1030343 + ... + 1471470.

It is an arithmetic number, because the mean of its divisors is an integer number (40886312264).

Almost surely, 2^551809882532 is an apocalyptic number.

It is an amenable number.

551809882532 is a deficient number, since it is larger than the sum of its proper divisors (429461611804).

551809882532 is a wasteful number, since it uses less digits than its factorization.

551809882532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502707 (or 2502705 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 56.

It can be divided in two parts, 551809 and 882532, that added together give a palindrome (1434341).

The spelling of 551809882532 in words is "five hundred fifty-one billion, eight hundred nine million, eight hundred eighty-two thousand, five hundred thirty-two".