4995549551 has 2 divisors, whose sum is σ = 4995549552. Its totient is φ = 4995549550.

The previous prime is 4995549523. The next prime is 4995549571. The reversal of 4995549551 is 1559455994.

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-4995549551 is a prime.

It is a super-5 number, since 5×4995549551⁵ (a number of 50 digits) contains 55555 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4995549571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2497774775 + 2497774776.

It is an arithmetic number, because the mean of its divisors is an integer number (2497774776).

Almost surely, 2^4995549551 is an apocalyptic number.

4995549551 is a deficient number, since it is larger than the sum of its proper divisors (1).

4995549551 is an equidigital number, since it uses as much as digits as its factorization.

4995549551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7290000, while the sum is 56.

The square root of 4995549551 is about 70679.2016862104. The cubic root of 4995549551 is about 1709.4684520255.

The spelling of 4995549551 in words is "four billion, nine hundred ninety-five million, five hundred forty-nine thousand, five hundred fifty-one".