2552615551 has 2 divisors, whose sum is σ = 2552615552. Its totient is φ = 2552615550.

The previous prime is 2552615503. The next prime is 2552615561. The reversal of 2552615551 is 1555162552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2552615551 - 2²³ = 2544226943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2552615551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2552615561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276307775 + 1276307776.

It is an arithmetic number, because the mean of its divisors is an integer number (1276307776).

Almost surely, 2^2552615551 is an apocalyptic number.

2552615551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2552615551 is an equidigital number, since it uses as much as digits as its factorization.

2552615551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75000, while the sum is 37.

The square root of 2552615551 is about 50523.4158682882. The cubic root of 2552615551 is about 1366.6641541166.

The spelling of 2552615551 in words is "two billion, five hundred fifty-two million, six hundred fifteen thousand, five hundred fifty-one".