2550061647 has 12 divisors (see below), whose sum is σ = 4209625680. Its totient is φ = 1457178048.

The previous prime is 2550061603. The next prime is 2550061673. The reversal of 2550061647 is 7461600552.

It is a happy number.

2550061647 is a `hidden beast` number, since 2 + 5 + 5 + 0 + 0 + 6 + 1 + 647 = 666.

It is not a de Polignac number, because 2550061647 - 2¹⁵ = 2550028879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2550061697) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20238522 + ... + 20238647.

It is an arithmetic number, because the mean of its divisors is an integer number (350802140).

Almost surely, 2^2550061647 is an apocalyptic number.

2550061647 is a deficient number, since it is larger than the sum of its proper divisors (1659564033).

2550061647 is a wasteful number, since it uses less digits than its factorization.

2550061647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40477182 (or 40477179 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 2550061647 is about 50498.1350843771. The cubic root of 2550061647 is about 1366.2082173650.

The spelling of 2550061647 in words is "two billion, five hundred fifty million, sixty-one thousand, six hundred forty-seven".