549992612 has 12 divisors (see below), whose sum is σ = 1036524636. Its totient is φ = 253842720.

The previous prime is 549992561. The next prime is 549992633. The reversal of 549992612 is 216299945.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 326669476 + 223323136 = 18074^2 + 14944^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5288339 + ... + 5288442.

It is an arithmetic number, because the mean of its divisors is an integer number (86377053).

Almost surely, 2^549992612 is an apocalyptic number.

549992612 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

549992612 is a deficient number, since it is larger than the sum of its proper divisors (486532024).

549992612 is a wasteful number, since it uses less digits than its factorization.

549992612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10576798 (or 10576796 counting only the distinct ones).

The product of its digits is 349920, while the sum is 47.

The square root of 549992612 is about 23451.9212858989. The cubic root of 549992612 is about 819.3176020112.

The spelling of 549992612 in words is "five hundred forty-nine million, nine hundred ninety-two thousand, six hundred twelve".