2552775551 has 2 divisors, whose sum is σ = 2552775552. Its totient is φ = 2552775550.

The previous prime is 2552775523. The next prime is 2552775557. The reversal of 2552775551 is 1555772552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2552775551 - 2⁶ = 2552775487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2552775557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276387775 + 1276387776.

It is an arithmetic number, because the mean of its divisors is an integer number (1276387776).

Almost surely, 2^2552775551 is an apocalyptic number.

2552775551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2552775551 is an equidigital number, since it uses as much as digits as its factorization.

2552775551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 612500, while the sum is 44.

The square root of 2552775551 is about 50524.9992676893. Note that the first 3 decimals coincide. The cubic root of 2552775551 is about 1366.6927080569.

Subtracting from 2552775551 its reverse (1555772552), we obtain a cube (997002999 = 999³).

The spelling of 2552775551 in words is "two billion, five hundred fifty-two million, seven hundred seventy-five thousand, five hundred fifty-one".