550646340 has 24 divisors (see below), whose sum is σ = 1541809920. Its totient is φ = 146839008.

The previous prime is 550646279. The next prime is 550646387. The reversal of 550646340 is 43646055.

It is a super-2 number, since 2×550646340² = 606422783510791200, 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, 4588660 + ... + 4588779.

It is an arithmetic number, because the mean of its divisors is an integer number (64242080).

Almost surely, 2^550646340 is an apocalyptic number.

It is an amenable number.

550646340 is an abundant number, since it is smaller than the sum of its proper divisors (991163580).

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

550646340 is a wasteful number, since it uses less digits than its factorization.

550646340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9177451 (or 9177449 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 550646340 is about 23465.8547681520. The cubic root of 550646340 is about 819.6420904827.

The spelling of 550646340 in words is "five hundred fifty million, six hundred forty-six thousand, three hundred forty".