53497603667 has 2 divisors, whose sum is σ = 53497603668. Its totient is φ = 53497603666.

The previous prime is 53497603661. The next prime is 53497603711. The reversal of 53497603667 is 76630679435.

53497603667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53497603667 - 2¹⁶ = 53497538131 is a prime.

It is a super-2 number, since 2×53497603667² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53497603661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26748801833 + 26748801834.

It is an arithmetic number, because the mean of its divisors is an integer number (26748801834).

Almost surely, 2^53497603667 is an apocalyptic number.

53497603667 is a deficient number, since it is larger than the sum of its proper divisors (1).

53497603667 is an equidigital number, since it uses as much as digits as its factorization.

53497603667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17146080, while the sum is 56.

The spelling of 53497603667 in words is "fifty-three billion, four hundred ninety-seven million, six hundred three thousand, six hundred sixty-seven".