550660140 has 48 divisors (see below), whose sum is σ = 1713166560. Its totient is φ = 146842560.

The previous prime is 550660139. The next prime is 550660151. The reversal of 550660140 is 41066055.

It is a happy number.

550660140 is a `hidden beast` number, since 5 + 50 + 6 + 601 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 509331 + ... + 510410.

It is an arithmetic number, because the mean of its divisors is an integer number (35690970).

Almost surely, 2^550660140 is an apocalyptic number.

It is an amenable number.

550660140 is an abundant number, since it is smaller than the sum of its proper divisors (1162506420).

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

550660140 is a wasteful number, since it uses less digits than its factorization.

550660140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019759 (or 1019751 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 550660140 is about 23466.1488105739. The cubic root of 550660140 is about 819.6489375674.

The spelling of 550660140 in words is "five hundred fifty million, six hundred sixty thousand, one hundred forty".