53213532091 has 2 divisors, whose sum is σ = 53213532092. Its totient is φ = 53213532090.

The previous prime is 53213532079. The next prime is 53213532133. The reversal of 53213532091 is 19023531235.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53213532091 - 2¹⁵ = 53213499323 is a prime.

It is not a weakly prime, because it can be changed into another prime (53213532011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26606766045 + 26606766046.

It is an arithmetic number, because the mean of its divisors is an integer number (26606766046).

Almost surely, 2^53213532091 is an apocalyptic number.

53213532091 is a deficient number, since it is larger than the sum of its proper divisors (1).

53213532091 is an equidigital number, since it uses as much as digits as its factorization.

53213532091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 34.

The spelling of 53213532091 in words is "fifty-three billion, two hundred thirteen million, five hundred thirty-two thousand, ninety-one".