6550115051 has 4 divisors (see below), whose sum is σ = 6702443352. Its totient is φ = 6397786752.

The previous prime is 6550115029. The next prime is 6550115063. The reversal of 6550115051 is 1505110556.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6550115051 - 2²² = 6545920747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6550145051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76164086 + ... + 76164171.

It is an arithmetic number, because the mean of its divisors is an integer number (1675610838).

Almost surely, 2^6550115051 is an apocalyptic number.

6550115051 is a deficient number, since it is larger than the sum of its proper divisors (152328301).

6550115051 is a wasteful number, since it uses less digits than its factorization.

6550115051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152328300.

The product of its (nonzero) digits is 3750, while the sum is 29.

The square root of 6550115051 is about 80932.7810655238. The cubic root of 6550115051 is about 1871.0395861981.

The spelling of 6550115051 in words is "six billion, five hundred fifty million, one hundred fifteen thousand, fifty-one".