53860381487 has 4 divisors (see below), whose sum is σ = 58756779816. Its totient is φ = 48963983160.

The previous prime is 53860381469. The next prime is 53860381493. The reversal of 53860381487 is 78418306835.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53860381487 - 2²⁶ = 53793272623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53860381447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2448199148 + ... + 2448199169.

It is an arithmetic number, because the mean of its divisors is an integer number (14689194954).

Almost surely, 2^53860381487 is an apocalyptic number.

53860381487 is a deficient number, since it is larger than the sum of its proper divisors (4896398329).

53860381487 is a wasteful number, since it uses less digits than its factorization.

53860381487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4896398328.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 53860381487 in words is "fifty-three billion, eight hundred sixty million, three hundred eighty-one thousand, four hundred eighty-seven".