5155663 has 4 divisors (see below), whose sum is σ = 5182848. Its totient is φ = 5128480.

The previous prime is 5155643. The next prime is 5155673. The reversal of 5155663 is 3665515.

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 5155663 - 2²¹ = 3058511 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 (5155603) 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, 13306 + ... + 13687.

It is an arithmetic number, because the mean of its divisors is an integer number (1295712).

Almost surely, 2^5155663 is an apocalyptic number.

5155663 is a deficient number, since it is larger than the sum of its proper divisors (27185).

5155663 is a wasteful number, since it uses less digits than its factorization.

5155663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27184.

The product of its digits is 13500, while the sum is 31.

The square root of 5155663 is about 2270.6085087483. The cubic root of 5155663 is about 172.7540246737.

The spelling of 5155663 in words is "five million, one hundred fifty-five thousand, six hundred sixty-three".