2550551083605 has 48 divisors (see below), whose sum is σ = 5099740124544. Its totient is φ = 1155069313920.

The previous prime is 2550551083601. The next prime is 2550551083609. The reversal of 2550551083605 is 5063801550552.

It is a happy number.

2550551083605 is a `hidden beast` number, since 2 + 5 + 50 + 5 + 510 + 83 + 6 + 0 + 5 = 666.

2550551083605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2550551083601) and next prime (2550551083609).

It is not a de Polignac number, because 2550551083605 - 2² = 2550551083601 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2550551083601) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37802686 + ... + 37870095.

It is an arithmetic number, because the mean of its divisors is an integer number (106244585928).

Almost surely, 2^{2550551083605} is an apocalyptic number.

It is an amenable number.

2550551083605 is a deficient number, since it is larger than the sum of its proper divisors (2549189040939).

2550551083605 is a wasteful number, since it uses less digits than its factorization.

2550551083605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75672906 (or 75672903 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 45.

The spelling of 2550551083605 in words is "two trillion, five hundred fifty billion, five hundred fifty-one million, eighty-three thousand, six hundred five".