551001060055 has 4 divisors (see below), whose sum is σ = 661201272072. Its totient is φ = 440800848040.

The previous prime is 551001060053. The next prime is 551001060061. The reversal of 551001060055 is 550060100155.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 551001060055 - 2¹ = 551001060053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551001060053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55100106001 + ... + 55100106010.

It is an arithmetic number, because the mean of its divisors is an integer number (165300318018).

Almost surely, 2^551001060055 is an apocalyptic number.

551001060055 is a deficient number, since it is larger than the sum of its proper divisors (110200212017).

551001060055 is a wasteful number, since it uses less digits than its factorization.

551001060055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110200212016.

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 551001060055 in words is "five hundred fifty-one billion, one million, sixty thousand, fifty-five".