53887361490875 has 16 divisors (see below), whose sum is σ = 73365193246176. Its totient is φ = 39190808356000.

The previous prime is 53887361490829. The next prime is 53887361490881. The reversal of 53887361490875 is 57809416378835.

It is not a de Polignac number, because 53887361490875 - 2¹⁴ = 53887361474491 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, 19595402804 + ... + 19595405553.

It is an arithmetic number, because the mean of its divisors is an integer number (4585324577886).

Almost surely, 2^{53887361490875} is an apocalyptic number.

53887361490875 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

53887361490875 is a deficient number, since it is larger than the sum of its proper divisors (19477831755301).

53887361490875 is a wasteful number, since it uses less digits than its factorization.

53887361490875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39190808383 (or 39190808373 counting only the distinct ones).

The product of its (nonzero) digits is 1219276800, while the sum is 74.

The spelling of 53887361490875 in words is "fifty-three trillion, eight hundred eighty-seven billion, three hundred sixty-one million, four hundred ninety thousand, eight hundred seventy-five".