2550278050555 has 16 divisors (see below), whose sum is σ = 3243069555264. Its totient is φ = 1918599715840.

The previous prime is 2550278050549. The next prime is 2550278050591. The reversal of 2550278050555 is 5550508720552.

It is not a de Polignac number, because 2550278050555 - 2³ = 2550278050547 is a prime.

It is a super-2 number, since 2×2550278050555² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2550278050499 and 2550278050508.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12473311 + ... + 12676120.

It is an arithmetic number, because the mean of its divisors is an integer number (202691847204).

Almost surely, 2^{2550278050555} is an apocalyptic number.

2550278050555 is a deficient number, since it is larger than the sum of its proper divisors (692791504709).

2550278050555 is a wasteful number, since it uses less digits than its factorization.

2550278050555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25150646.

The product of its (nonzero) digits is 3500000, while the sum is 49.

The spelling of 2550278050555 in words is "two trillion, five hundred fifty billion, two hundred seventy-eight million, fifty thousand, five hundred fifty-five".