8955557 has 4 divisors (see below), whose sum is σ = 9644460. Its totient is φ = 8266656.

The previous prime is 8955547. The next prime is 8955563. The reversal of 8955557 is 7555598.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7555598 = 2 ⋅3777799.

It can be written as a sum of positive squares in 2 ways, for example, as 481636 + 8473921 = 694^2 + 2911^2 .

It is a cyclic number.

It is not a de Polignac number, because 8955557 - 2⁶ = 8955493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8955547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344432 + ... + 344457.

It is an arithmetic number, because the mean of its divisors is an integer number (2411115).

Almost surely, 2^8955557 is an apocalyptic number.

It is an amenable number.

8955557 is a deficient number, since it is larger than the sum of its proper divisors (688903).

8955557 is a wasteful number, since it uses less digits than its factorization.

8955557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688902.

The product of its digits is 315000, while the sum is 44.

The square root of 8955557 is about 2992.5836663325. The cubic root of 8955557 is about 207.6654276669.

The spelling of 8955557 in words is "eight million, nine hundred fifty-five thousand, five hundred fifty-seven".