53687805413 has 4 divisors (see below), whose sum is σ = 58568515008. Its totient is φ = 48807095820.

The previous prime is 53687805371. The next prime is 53687805419. The reversal of 53687805413 is 31450878635.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53687805413 - 2¹⁶ = 53687739877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53687805419) 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, 2440354781 + ... + 2440354802.

It is an arithmetic number, because the mean of its divisors is an integer number (14642128752).

Almost surely, 2^53687805413 is an apocalyptic number.

It is an amenable number.

53687805413 is a deficient number, since it is larger than the sum of its proper divisors (4880709595).

53687805413 is a wasteful number, since it uses less digits than its factorization.

53687805413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4880709594.

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 53687805413 in words is "fifty-three billion, six hundred eighty-seven million, eight hundred five thousand, four hundred thirteen".