550955609420 has 24 divisors (see below), whose sum is σ = 1158476961264. Its totient is φ = 220102209216.

The previous prime is 550955609401. The next prime is 550955609467. The reversal of 550955609420 is 24906559055.

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, 17486027 + ... + 17517506.

It is an arithmetic number, because the mean of its divisors is an integer number (48269873386).

Almost surely, 2^550955609420 is an apocalyptic number.

It is an amenable number.

550955609420 is an abundant number, since it is smaller than the sum of its proper divisors (607521351844).

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

550955609420 is a wasteful number, since it uses less digits than its factorization.

550955609420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35004329 (or 35004327 counting only the distinct ones).

The product of its (nonzero) digits is 2430000, while the sum is 50.

The spelling of 550955609420 in words is "five hundred fifty billion, nine hundred fifty-five million, six hundred nine thousand, four hundred twenty".