6551054994 has 128 divisors (see below), whose sum is σ = 15201478656. Its totient is φ = 1862784000.

The previous prime is 6551054981. The next prime is 6551055001. The reversal of 6551054994 is 4994501556.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31047549 + ... + 31047759.

It is an arithmetic number, because the mean of its divisors is an integer number (118761552).

Almost surely, 2^6551054994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6551054994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7600739328).

6551054994 is an abundant number, since it is smaller than the sum of its proper divisors (8650423662).

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

6551054994 is a wasteful number, since it uses less digits than its factorization.

6551054994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544.

The product of its (nonzero) digits is 972000, while the sum is 48.

The square root of 6551054994 is about 80938.5877934623. The cubic root of 6551054994 is about 1871.1290801195.

The spelling of 6551054994 in words is "six billion, five hundred fifty-one million, fifty-four thousand, nine hundred ninety-four".