2050551687 has 8 divisors (see below), whose sum is σ = 2877967360. Its totient is φ = 1295085240.

The previous prime is 2050551653. The next prime is 2050551703. The reversal of 2050551687 is 7861550502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2050551687 - 2⁶ = 2050551623 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 (2050558687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17987239 + ... + 17987352.

It is an arithmetic number, because the mean of its divisors is an integer number (359745920).

Almost surely, 2^2050551687 is an apocalyptic number.

2050551687 is a deficient number, since it is larger than the sum of its proper divisors (827415673).

2050551687 is a wasteful number, since it uses less digits than its factorization.

2050551687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35974613.

The product of its (nonzero) digits is 84000, while the sum is 39.

The square root of 2050551687 is about 45283.0176445872. The cubic root of 2050551687 is about 1270.4480381296.

The spelling of 2050551687 in words is "two billion, fifty million, five hundred fifty-one thousand, six hundred eighty-seven".