551755651 has 2 divisors, whose sum is σ = 551755652. Its totient is φ = 551755650.

The previous prime is 551755637. The next prime is 551755657. The reversal of 551755651 is 156557155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 551755651 - 2¹¹ = 551753603 is a prime.

It is not a weakly prime, because it can be changed into another prime (551755657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275877825 + 275877826.

It is an arithmetic number, because the mean of its divisors is an integer number (275877826).

Almost surely, 2^551755651 is an apocalyptic number.

551755651 is a deficient number, since it is larger than the sum of its proper divisors (1).

551755651 is an equidigital number, since it uses as much as digits as its factorization.

551755651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 131250, while the sum is 40.

The square root of 551755651 is about 23489.4795812934. The cubic root of 551755651 is about 820.1921277943.

The spelling of 551755651 in words is "five hundred fifty-one million, seven hundred fifty-five thousand, six hundred fifty-one".