53136481685 has 8 divisors (see below), whose sum is σ = 72872889216. Its totient is φ = 36436444560.

The previous prime is 53136481609. The next prime is 53136481703. The reversal of 53136481685 is 58618463135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53136481685 - 2²⁸ = 52868046229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 759092561 + ... + 759092630.

It is an arithmetic number, because the mean of its divisors is an integer number (9109111152).

Almost surely, 2^53136481685 is an apocalyptic number.

It is an amenable number.

53136481685 is a deficient number, since it is larger than the sum of its proper divisors (19736407531).

53136481685 is a wasteful number, since it uses less digits than its factorization.

53136481685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518185203.

The product of its digits is 2073600, while the sum is 50.

The spelling of 53136481685 in words is "fifty-three billion, one hundred thirty-six million, four hundred eighty-one thousand, six hundred eighty-five".