550752690 has 16 divisors (see below), whose sum is σ = 1321806528. Its totient is φ = 146867376.

The previous prime is 550752679. The next prime is 550752731. The reversal of 550752690 is 96257055.

It is a super-2 number, since 2×550752690² = 606657051084472200, which contains 22 as substring.

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, 9179182 + ... + 9179241.

It is an arithmetic number, because the mean of its divisors is an integer number (82612908).

Almost surely, 2^550752690 is an apocalyptic number.

550752690 is an abundant number, since it is smaller than the sum of its proper divisors (771053838).

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

550752690 is a wasteful number, since it uses less digits than its factorization.

550752690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18358433.

The product of its (nonzero) digits is 94500, while the sum is 39.

The square root of 550752690 is about 23468.1207172624. The cubic root of 550752690 is about 819.6948547337.

The spelling of 550752690 in words is "five hundred fifty million, seven hundred fifty-two thousand, six hundred ninety".