655550747 has 2 divisors, whose sum is σ = 655550748. Its totient is φ = 655550746.

The previous prime is 655550737. The next prime is 655550767. The reversal of 655550747 is 747055556.

655550747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 655550747 - 2⁸ = 655550491 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 655550698 and 655550707.

It is not a weakly prime, because it can be changed into another prime (655550737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327775373 + 327775374.

It is an arithmetic number, because the mean of its divisors is an integer number (327775374).

Almost surely, 2^655550747 is an apocalyptic number.

655550747 is a deficient number, since it is larger than the sum of its proper divisors (1).

655550747 is an equidigital number, since it uses as much as digits as its factorization.

655550747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 735000, while the sum is 44.

The square root of 655550747 is about 25603.7252562982. The cubic root of 655550747 is about 868.6979011112.

The spelling of 655550747 in words is "six hundred fifty-five million, five hundred fifty thousand, seven hundred forty-seven".