551777226002 has 54 divisors (see below), whose sum is σ = 888428444799. Its totient is φ = 256994809280.

The previous prime is 551777225981. The next prime is 551777226019. The reversal of 551777226002 is 200622777155.

It can be written as a sum of positive squares in 5 ways, for example, as 37388476321 + 514388749681 = 193361^2 + 717209^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=525251.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 990623108 + ... + 990623664.

Almost surely, 2^551777226002 is an apocalyptic number.

551777226002 is a deficient number, since it is larger than the sum of its proper divisors (336651218797).

551777226002 is an frugal number, since it uses more digits than its factorization.

551777226002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 411600, while the sum is 44.

The spelling of 551777226002 in words is "five hundred fifty-one billion, seven hundred seventy-seven million, two hundred twenty-six thousand, two".