5381455887 has 24 divisors (see below), whose sum is σ = 8073920400. Its totient is φ = 3581936640.

The previous prime is 5381455883. The next prime is 5381455901. The reversal of 5381455887 is 7885541835.

5381455887 is a `hidden beast` number, since 5 + 3 + 8 + 1 + 4 + 558 + 87 = 666.

It is not a de Polignac number, because 5381455887 - 2² = 5381455883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5381455883) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138489 + ... + 173037.

It is an arithmetic number, because the mean of its divisors is an integer number (336413350).

Almost surely, 2^5381455887 is an apocalyptic number.

5381455887 is a deficient number, since it is larger than the sum of its proper divisors (2692464513).

5381455887 is an equidigital number, since it uses as much as digits as its factorization.

5381455887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35205 (or 35193 counting only the distinct ones).

The product of its digits is 5376000, while the sum is 54.

The square root of 5381455887 is about 73358.4070642213. The cubic root of 5381455887 is about 1752.4000687285.

The spelling of 5381455887 in words is "five billion, three hundred eighty-one million, four hundred fifty-five thousand, eight hundred eighty-seven".