29955262161553 has 2 divisors, whose sum is σ = 29955262161554. Its totient is φ = 29955262161552.

The previous prime is 29955262161541. The next prime is 29955262161577. The reversal of 29955262161553 is 35516126255992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25557756699024 + 4397505462529 = 5055468^2 + 2097023^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29955262161553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29955262161491 and 29955262161500.

It is not a weakly prime, because it can be changed into another prime (29955262161523) 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 as a sum of consecutive naturals, namely, 14977631080776 + 14977631080777.

It is an arithmetic number, because the mean of its divisors is an integer number (14977631080777).

Almost surely, 2^{29955262161553} is an apocalyptic number.

It is an amenable number.

29955262161553 is a deficient number, since it is larger than the sum of its proper divisors (1).

29955262161553 is an equidigital number, since it uses as much as digits as its factorization.

29955262161553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43740000, while the sum is 61.

The spelling of 29955262161553 in words is "twenty-nine trillion, nine hundred fifty-five billion, two hundred sixty-two million, one hundred sixty-one thousand, five hundred fifty-three".