47115447553 has 2 divisors, whose sum is σ = 47115447554. Its totient is φ = 47115447552.

The previous prime is 47115447527. The next prime is 47115447637. The reversal of 47115447553 is 35574451174.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40435981569 + 6679465984 = 201087^2 + 81728^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47115447553 is a prime.

It is not a weakly prime, because it can be changed into another prime (47115447503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23557723776 + 23557723777.

It is an arithmetic number, because the mean of its divisors is an integer number (23557723777).

Almost surely, 2^47115447553 is an apocalyptic number.

It is an amenable number.

47115447553 is a deficient number, since it is larger than the sum of its proper divisors (1).

47115447553 is an equidigital number, since it uses as much as digits as its factorization.

47115447553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1176000, while the sum is 46.

The spelling of 47115447553 in words is "forty-seven billion, one hundred fifteen million, four hundred forty-seven thousand, five hundred fifty-three".