53706350591 has 2 divisors, whose sum is σ = 53706350592. Its totient is φ = 53706350590.

The previous prime is 53706350587. The next prime is 53706350603. The reversal of 53706350591 is 19505360735.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53706350591 - 2² = 53706350587 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53706350501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26853175295 + 26853175296.

It is an arithmetic number, because the mean of its divisors is an integer number (26853175296).

Almost surely, 2^53706350591 is an apocalyptic number.

53706350591 is a deficient number, since it is larger than the sum of its proper divisors (1).

53706350591 is an equidigital number, since it uses as much as digits as its factorization.

53706350591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 425250, while the sum is 44.

The spelling of 53706350591 in words is "fifty-three billion, seven hundred six million, three hundred fifty thousand, five hundred ninety-one".