53368787845 has 8 divisors (see below), whose sum is σ = 64450460664. Its totient is φ = 42423086784.

The previous prime is 53368787839. The next prime is 53368787911. The reversal of 53368787845 is 54878786335.

It can be written as a sum of positive squares in 4 ways, for example, as 12448757476 + 40920030369 = 111574^2 + 202287^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 53368787845 - 2³³ = 44778853253 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, 33992074 + ... + 33993643.

It is an arithmetic number, because the mean of its divisors is an integer number (8056307583).

Almost surely, 2^53368787845 is an apocalyptic number.

It is an amenable number.

53368787845 is a deficient number, since it is larger than the sum of its proper divisors (11081672819).

53368787845 is a wasteful number, since it uses less digits than its factorization.

53368787845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67985879.

The product of its digits is 135475200, while the sum is 64.

The spelling of 53368787845 in words is "fifty-three billion, three hundred sixty-eight million, seven hundred eighty-seven thousand, eight hundred forty-five".