53653998623 has 2 divisors, whose sum is σ = 53653998624. Its totient is φ = 53653998622.

The previous prime is 53653998617. The next prime is 53653998637. The reversal of 53653998623 is 32689935635.

It is a happy number.

53653998623 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 a de Polignac number, because none of the positive numbers 2^k-53653998623 is a prime.

It is a super-2 number, since 2×53653998623² (a number of 22 digits) contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53653998523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26826999311 + 26826999312.

It is an arithmetic number, because the mean of its divisors is an integer number (26826999312).

Almost surely, 2^53653998623 is an apocalyptic number.

53653998623 is a deficient number, since it is larger than the sum of its proper divisors (1).

53653998623 is an equidigital number, since it uses as much as digits as its factorization.

53653998623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31492800, while the sum is 59.

The spelling of 53653998623 in words is "fifty-three billion, six hundred fifty-three million, nine hundred ninety-eight thousand, six hundred twenty-three".