53423215117 has 2 divisors, whose sum is σ = 53423215118. Its totient is φ = 53423215116.

The previous prime is 53423215081. The next prime is 53423215189. The reversal of 53423215117 is 71151232435.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46291243716 + 7131971401 = 215154^2 + 84451^2 .

It is a cyclic number.

It is not a de Polignac number, because 53423215117 - 2¹⁵ = 53423182349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53423215217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26711607558 + 26711607559.

It is an arithmetic number, because the mean of its divisors is an integer number (26711607559).

Almost surely, 2^53423215117 is an apocalyptic number.

It is an amenable number.

53423215117 is a deficient number, since it is larger than the sum of its proper divisors (1).

53423215117 is an equidigital number, since it uses as much as digits as its factorization.

53423215117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 34.

The spelling of 53423215117 in words is "fifty-three billion, four hundred twenty-three million, two hundred fifteen thousand, one hundred seventeen".