5155656547 has 2 divisors, whose sum is σ = 5155656548. Its totient is φ = 5155656546.

The previous prime is 5155656533. The next prime is 5155656557. The reversal of 5155656547 is 7456565515.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5155656547 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5155656547.

It is not a weakly prime, because it can be changed into another prime (5155656557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2577828273 + 2577828274.

It is an arithmetic number, because the mean of its divisors is an integer number (2577828274).

Almost surely, 2^5155656547 is an apocalyptic number.

5155656547 is a deficient number, since it is larger than the sum of its proper divisors (1).

5155656547 is an equidigital number, since it uses as much as digits as its factorization.

5155656547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3150000, while the sum is 49.

The square root of 5155656547 is about 71802.9006865322. The cubic root of 5155656547 is about 1727.5395259878.

The spelling of 5155656547 in words is "five billion, one hundred fifty-five million, six hundred fifty-six thousand, five hundred forty-seven".