76555 has 8 divisors (see below), whose sum is σ = 93744. Its totient is φ = 60000.

The previous prime is 76543. The next prime is 76561. The reversal of 76555 is 55567.

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

It is not a de Polignac number, because 76555 - 2¹¹ = 74507 is a prime.

It is a Duffinian number.

76555 is a lucky number.

It is a nialpdrome in base 5 and base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180 + ... + 430.

It is an arithmetic number, because the mean of its divisors is an integer number (11718).

2⁷⁶⁵⁵⁵ is an apocalyptic number.

76555 is a deficient number, since it is larger than the sum of its proper divisors (17189).

76555 is a wasteful number, since it uses less digits than its factorization.

76555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317.

The product of its digits is 5250, while the sum is 28.

The square root of 76555 is about 276.6857423143. The cubic root of 76555 is about 42.4610947308.

It can be divided in two parts, 765 and 55, that added together give a triangular number (820 = T₄₀).

The spelling of 76555 in words is "seventy-six thousand, five hundred fifty-five".