5387553473 has 4 divisors (see below), whose sum is σ = 5423711700. Its totient is φ = 5351395248.

The previous prime is 5387553449. The next prime is 5387553497. The reversal of 5387553473 is 3743557835.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (5387553449) and next prime (5387553497).

It can be written as a sum of positive squares in 2 ways, for example, as 1762068529 + 3625484944 = 41977^2 + 60212^2 .

It is a cyclic number.

It is not a de Polignac number, because 5387553473 - 2²⁰ = 5386504897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5387553173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18078890 + ... + 18079187.

It is an arithmetic number, because the mean of its divisors is an integer number (1355927925).

Almost surely, 2^5387553473 is an apocalyptic number.

It is an amenable number.

5387553473 is a deficient number, since it is larger than the sum of its proper divisors (36158227).

5387553473 is a wasteful number, since it uses less digits than its factorization.

5387553473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36158226.

The product of its digits is 5292000, while the sum is 50.

The square root of 5387553473 is about 73399.9555381337. The cubic root of 5387553473 is about 1753.0616850335.

The spelling of 5387553473 in words is "five billion, three hundred eighty-seven million, five hundred fifty-three thousand, four hundred seventy-three".