55128205674733 has 2 divisors, whose sum is σ = 55128205674734. Its totient is φ = 55128205674732.

The previous prime is 55128205674701. The next prime is 55128205674791. The reversal of 55128205674733 is 33747650282155.

It is an a-pointer prime, because the next prime (55128205674791) can be obtained adding 55128205674733 to its sum of digits (58).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43556792459049 + 11571413215684 = 6599757^2 + 3401678^2 .

It is a cyclic number.

It is not a de Polignac number, because 55128205674733 - 2⁵ = 55128205674701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55128205675733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27564102837366 + 27564102837367.

It is an arithmetic number, because the mean of its divisors is an integer number (27564102837367).

Almost surely, 2^{55128205674733} is an apocalyptic number.

It is an amenable number.

55128205674733 is a deficient number, since it is larger than the sum of its proper divisors (1).

55128205674733 is an equidigital number, since it uses as much as digits as its factorization.

55128205674733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336000, while the sum is 58.

The spelling of 55128205674733 in words is "fifty-five trillion, one hundred twenty-eight billion, two hundred five million, six hundred seventy-four thousand, seven hundred thirty-three".