53236692613 has 4 divisors (see below), whose sum is σ = 57331822828. Its totient is φ = 49141562400.

The previous prime is 53236692583. The next prime is 53236692637. The reversal of 53236692613 is 31629663235.

53236692613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23529412449 + 29707280164 = 153393^2 + 172358^2 .

It is a cyclic number.

It is not a de Polignac number, because 53236692613 - 2²⁵ = 53203138181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53236692713) 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, 2047565088 + ... + 2047565113.

It is an arithmetic number, because the mean of its divisors is an integer number (14332955707).

Almost surely, 2^53236692613 is an apocalyptic number.

It is an amenable number.

53236692613 is a deficient number, since it is larger than the sum of its proper divisors (4095130215).

53236692613 is a wasteful number, since it uses less digits than its factorization.

53236692613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4095130214.

The product of its digits is 1049760, while the sum is 46.

The spelling of 53236692613 in words is "fifty-three billion, two hundred thirty-six million, six hundred ninety-two thousand, six hundred thirteen".