79550 has 24 divisors (see below), whose sum is σ = 155496. Its totient is φ = 30240.

The previous prime is 79549. The next prime is 79559. The reversal of 79550 is 5597.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1829 + ... + 1871.

It is an arithmetic number, because the mean of its divisors is an integer number (6479).

2⁷⁹⁵⁵⁰ is an apocalyptic number.

79550 is a deficient number, since it is larger than the sum of its proper divisors (75946).

79550 is a wasteful number, since it uses less digits than its factorization.

79550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 1575, while the sum is 26.

The square root of 79550 is about 282.0460955234. The cubic root of 79550 is about 43.0077505409.

Subtracting from 79550 its sum of digits (26), we obtain a square (79524 = 282²).

The spelling of 79550 in words is "seventy-nine thousand, five hundred fifty".