999550532 has 12 divisors (see below), whose sum is σ = 1782217836. Its totient is φ = 490345440.

The previous prime is 999550481. The next prime is 999550549. The reversal of 999550532 is 235055999.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 492129856 + 507420676 = 22184^2 + 22526^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2357219 + ... + 2357642.

It is an arithmetic number, because the mean of its divisors is an integer number (148518153).

Almost surely, 2^999550532 is an apocalyptic number.

It is an amenable number.

999550532 is a deficient number, since it is larger than the sum of its proper divisors (782667304).

999550532 is a wasteful number, since it uses less digits than its factorization.

999550532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4714918 (or 4714916 counting only the distinct ones).

The product of its (nonzero) digits is 546750, while the sum is 47.

The square root of 999550532 is about 31615.6690898674. The cubic root of 999550532 is about 999.8501548809.

The spelling of 999550532 in words is "nine hundred ninety-nine million, five hundred fifty thousand, five hundred thirty-two".