53487668305 has 16 divisors (see below), whose sum is σ = 67163318784. Its totient is φ = 40842541440.

The previous prime is 53487668287. The next prime is 53487668321. The reversal of 53487668305 is 50386678435.

It is not a de Polignac number, because 53487668305 - 2¹¹ = 53487666257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2352259 + ... + 2374888.

It is an arithmetic number, because the mean of its divisors is an integer number (4197707424).

Almost surely, 2^53487668305 is an apocalyptic number.

It is an amenable number.

53487668305 is a deficient number, since it is larger than the sum of its proper divisors (13675650479).

53487668305 is a wasteful number, since it uses less digits than its factorization.

53487668305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4727256.

The product of its (nonzero) digits is 14515200, while the sum is 55.

The spelling of 53487668305 in words is "fifty-three billion, four hundred eighty-seven million, six hundred sixty-eight thousand, three hundred five".