2550620550 has 24 divisors (see below), whose sum is σ = 6325539336. Its totient is φ = 680165440.

The previous prime is 2550620531. The next prime is 2550620603. The reversal of 2550620550 is 550260552.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8501919 + ... + 8502218.

It is an arithmetic number, because the mean of its divisors is an integer number (263564139).

Almost surely, 2^2550620550 is an apocalyptic number.

2550620550 is an abundant number, since it is smaller than the sum of its proper divisors (3774918786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2550620550 is a wasteful number, since it uses less digits than its factorization.

2550620550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17004152 (or 17004147 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 2550620550 is about 50503.6686786218. The cubic root of 2550620550 is about 1366.3080217617.

It can be divided in two parts, 25506 and 20550, that added together give a triangular number (46056 = T₃₀₃).

The spelling of 2550620550 in words is "two billion, five hundred fifty million, six hundred twenty thousand, five hundred fifty".