6550252251 has 8 divisors (see below), whose sum is σ = 8736942864. Its totient is φ = 4365198240.

The previous prime is 6550252237. The next prime is 6550252321. The reversal of 6550252251 is 1522520556.

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

It is not a de Polignac number, because 6550252251 - 2⁶ = 6550252187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6550252151) 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, 399780 + ... + 415841.

It is an arithmetic number, because the mean of its divisors is an integer number (1092117858).

Almost surely, 2^6550252251 is an apocalyptic number.

6550252251 is a deficient number, since it is larger than the sum of its proper divisors (2186690613).

6550252251 is a wasteful number, since it uses less digits than its factorization.

6550252251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818301.

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 6550252251 is about 80933.6286780718. The cubic root of 6550252251 is about 1871.0526498281.

The spelling of 6550252251 in words is "six billion, five hundred fifty million, two hundred fifty-two thousand, two hundred fifty-one".