5287656551 has 4 divisors (see below), whose sum is σ = 5410625352. Its totient is φ = 5164687752.

The previous prime is 5287656527. The next prime is 5287656581. The reversal of 5287656551 is 1556567825.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5287656551 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5287656551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5287656511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61484336 + ... + 61484421.

It is an arithmetic number, because the mean of its divisors is an integer number (1352656338).

Almost surely, 2^5287656551 is an apocalyptic number.

5287656551 is a deficient number, since it is larger than the sum of its proper divisors (122968801).

5287656551 is a wasteful number, since it uses less digits than its factorization.

5287656551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122968800.

The product of its digits is 2520000, while the sum is 50.

The square root of 5287656551 is about 72716.2743201273. The cubic root of 5287656551 is about 1742.1588290950.

The spelling of 5287656551 in words is "five billion, two hundred eighty-seven million, six hundred fifty-six thousand, five hundred fifty-one".