5151640553 has 4 divisors (see below), whose sum is σ = 5160417360. Its totient is φ = 5142863748.

The previous prime is 5151640493. The next prime is 5151640561. The reversal of 5151640553 is 3550461515.

5151640553 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5151640553 - 2¹⁴ = 5151624169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5151640583) 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 3 ways as a sum of consecutive naturals, for example, 4387523 + ... + 4388696.

It is an arithmetic number, because the mean of its divisors is an integer number (1290104340).

Almost surely, 2^5151640553 is an apocalyptic number.

It is an amenable number.

5151640553 is a deficient number, since it is larger than the sum of its proper divisors (8776807).

5151640553 is an equidigital number, since it uses as much as digits as its factorization.

5151640553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8776806.

The product of its (nonzero) digits is 45000, while the sum is 35.

The square root of 5151640553 is about 71774.9298362597. The cubic root of 5151640553 is about 1727.0908543535.

The spelling of 5151640553 in words is "five billion, one hundred fifty-one million, six hundred forty thousand, five hundred fifty-three".