550550050551 has 32 divisors (see below), whose sum is σ = 829916294400. Its totient is φ = 360611339040.

The previous prime is 550550050517. The next prime is 550550050601. The reversal of 550550050551 is 155050055055.

It is a happy number.

550550050551 is a `hidden beast` number, since 5 + 5 + 0 + 5 + 50 + 0 + 50 + 551 = 666.

It is not a de Polignac number, because 550550050551 - 2²¹ = 550547953399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550550052551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2789505 + ... + 2980341.

It is an arithmetic number, because the mean of its divisors is an integer number (25934884200).

Almost surely, 2^550550050551 is an apocalyptic number.

550550050551 is a deficient number, since it is larger than the sum of its proper divisors (279366243849).

550550050551 is a wasteful number, since it uses less digits than its factorization.

550550050551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192716 (or 192710 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 36.

The spelling of 550550050551 in words is "five hundred fifty billion, five hundred fifty million, fifty thousand, five hundred fifty-one".