550616015556 has 72 divisors (see below), whose sum is σ = 1441802489400. Its totient is φ = 177050142720.

The previous prime is 550616015507. The next prime is 550616015563. The reversal of 550616015556 is 655510616055.

It can be written as a sum of positive squares in 4 ways, for example, as 34459981956 + 516156033600 = 185634^2 + 718440^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1964401 + ... + 2227128.

It is an arithmetic number, because the mean of its divisors is an integer number (20025034575).

Almost surely, 2^550616015556 is an apocalyptic number.

It is an amenable number.

550616015556 is an abundant number, since it is smaller than the sum of its proper divisors (891186473844).

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

550616015556 is a wasteful number, since it uses less digits than its factorization.

550616015556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4191669 (or 4191664 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 45.

The spelling of 550616015556 in words is "five hundred fifty billion, six hundred sixteen million, fifteen thousand, five hundred fifty-six".