79555 has 8 divisors (see below), whose sum is σ = 109152. Its totient is φ = 54528.

The previous prime is 79549. The next prime is 79559. The reversal of 79555 is 55597.

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 79555 - 2⁷ = 79427 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (79559) 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, 1102 + ... + 1171.

It is an arithmetic number, because the mean of its divisors is an integer number (13644).

2⁷⁹⁵⁵⁵ is an apocalyptic number.

79555 is a deficient number, since it is larger than the sum of its proper divisors (29597).

79555 is a wasteful number, since it uses less digits than its factorization.

79555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2285.

The product of its digits is 7875, while the sum is 31.

The square root of 79555 is about 282.0549591835. The cubic root of 79555 is about 43.0086515853.

Subtracting from 79555 its sum of digits (31), we obtain a square (79524 = 282²).

The spelling of 79555 in words is "seventy-nine thousand, five hundred fifty-five".