2655321551 has 2 divisors, whose sum is σ = 2655321552. Its totient is φ = 2655321550.

The previous prime is 2655321547. The next prime is 2655321589. The reversal of 2655321551 is 1551235562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2655321551 - 2² = 2655321547 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2655311551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1327660775 + 1327660776.

It is an arithmetic number, because the mean of its divisors is an integer number (1327660776).

Almost surely, 2^2655321551 is an apocalyptic number.

2655321551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2655321551 is an equidigital number, since it uses as much as digits as its factorization.

2655321551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45000, while the sum is 35.

The square root of 2655321551 is about 51529.8122546551. The cubic root of 2655321551 is about 1384.7531872620.

The spelling of 2655321551 in words is "two billion, six hundred fifty-five million, three hundred twenty-one thousand, five hundred fifty-one".