550351660 has 48 divisors (see below), whose sum is σ = 1171550016. Its totient is φ = 217147392.

The previous prime is 550351657. The next prime is 550351661. The reversal of 550351660 is 66153055.

It is not an unprimeable number, because it can be changed into a prime (550351661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 891672 + ... + 892288.

It is an arithmetic number, because the mean of its divisors is an integer number (24407292).

Almost surely, 2^550351660 is an apocalyptic number.

It is an amenable number.

550351660 is an abundant number, since it is smaller than the sum of its proper divisors (621198356).

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

550351660 is a wasteful number, since it uses less digits than its factorization.

550351660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162 (or 1160 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 550351660 is about 23459.5750174636. The cubic root of 550351660 is about 819.4958531055.

The spelling of 550351660 in words is "five hundred fifty million, three hundred fifty-one thousand, six hundred sixty".