53497603679 has 4 divisors (see below), whose sum is σ = 57612803976. Its totient is φ = 49382403384.

The previous prime is 53497603667. The next prime is 53497603711. The reversal of 53497603679 is 97630679435.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53497603679 - 2²⁰ = 53496555103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53497603079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2057600129 + ... + 2057600154.

It is an arithmetic number, because the mean of its divisors is an integer number (14403200994).

Almost surely, 2^53497603679 is an apocalyptic number.

53497603679 is a deficient number, since it is larger than the sum of its proper divisors (4115200297).

53497603679 is a wasteful number, since it uses less digits than its factorization.

53497603679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4115200296.

The product of its (nonzero) digits is 25719120, while the sum is 59.

The spelling of 53497603679 in words is "fifty-three billion, four hundred ninety-seven million, six hundred three thousand, six hundred seventy-nine".