51876745553 has 2 divisors, whose sum is σ = 51876745554. Its totient is φ = 51876745552.

The previous prime is 51876745523. The next prime is 51876745601. The reversal of 51876745553 is 35554767815.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51860041984 + 16703569 = 227728^2 + 4087^2 .

It is a cyclic number.

It is not a de Polignac number, because 51876745553 - 2¹⁰ = 51876744529 is a prime.

It is not a weakly prime, because it can be changed into another prime (51876745523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25938372776 + 25938372777.

It is an arithmetic number, because the mean of its divisors is an integer number (25938372777).

Almost surely, 2^51876745553 is an apocalyptic number.

It is an amenable number.

51876745553 is a deficient number, since it is larger than the sum of its proper divisors (1).

51876745553 is an equidigital number, since it uses as much as digits as its factorization.

51876745553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640000, while the sum is 56.

The spelling of 51876745553 in words is "fifty-one billion, eight hundred seventy-six million, seven hundred forty-five thousand, five hundred fifty-three".