9955577 has 2 divisors, whose sum is σ = 9955578. Its totient is φ = 9955576.

The previous prime is 9955571. The next prime is 9955633. The reversal of 9955577 is 7755599.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8357881 + 1597696 = 2891^2 + 1264^2 .

It is a cyclic number.

It is not a de Polignac number, because 9955577 - 2¹² = 9951481 is a prime.

It is a super-2 number, since 2×9955577² = 198227026805858, which contains 22 as substring.

It is a Chen prime.

It is a zygodrome in base 10.

It is not a weakly prime, because it can be changed into another prime (9955571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4977788 + 4977789.

It is an arithmetic number, because the mean of its divisors is an integer number (4977789).

Almost surely, 2^9955577 is an apocalyptic number.

It is an amenable number.

9955577 is a deficient number, since it is larger than the sum of its proper divisors (1).

9955577 is an equidigital number, since it uses as much as digits as its factorization.

9955577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 496125, while the sum is 47.

The square root of 9955577 is about 3155.2459492090. The cubic root of 9955577 is about 215.1239739300.

The spelling of 9955577 in words is "nine million, nine hundred fifty-five thousand, five hundred seventy-seven".