2551365054 has 80 divisors (see below), whose sum is σ = 6612617088. Its totient is φ = 720152208.

The previous prime is 2551365043. The next prime is 2551365059. The reversal of 2551365054 is 4505631552.

2551365054 is a `hidden beast` number, since 2 + 551 + 3 + 6 + 50 + 54 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551365059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 80569 + ... + 107675.

Almost surely, 2^2551365054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2551365054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3306308544).

2551365054 is an abundant number, since it is smaller than the sum of its proper divisors (4061252034).

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

2551365054 is a wasteful number, since it uses less digits than its factorization.

2551365054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27211 (or 27202 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 2551365054 is about 50511.0389320988. The cubic root of 2551365054 is about 1366.4409466468.

The spelling of 2551365054 in words is "two billion, five hundred fifty-one million, three hundred sixty-five thousand, fifty-four".