7955561 has 8 divisors (see below), whose sum is σ = 8246784. Its totient is φ = 7666560.

The previous prime is 7955551. The next prime is 7955567. The reversal of 7955561 is 1655597.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7955561 - 2¹⁰ = 7954537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7955567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10580 + ... + 11306.

It is an arithmetic number, because the mean of its divisors is an integer number (1030848).

Almost surely, 2^7955561 is an apocalyptic number.

It is an amenable number.

7955561 is a deficient number, since it is larger than the sum of its proper divisors (291223).

7955561 is a wasteful number, since it uses less digits than its factorization.

7955561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111.

The product of its digits is 47250, while the sum is 38.

The square root of 7955561 is about 2820.5604053096. The cubic root of 7955561 is about 199.6289871730.

The spelling of 7955561 in words is "seven million, nine hundred fifty-five thousand, five hundred sixty-one".