75455 has 4 divisors (see below), whose sum is σ = 90552. Its totient is φ = 60360.

The previous prime is 75437. The next prime is 75479. The reversal of 75455 is 55457.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 75455 - 2⁶ = 75391 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 9, base 12 and base 16.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7541 + ... + 7550.

It is an arithmetic number, because the mean of its divisors is an integer number (22638).

2⁷⁵⁴⁵⁵ is an apocalyptic number.

75455 is a deficient number, since it is larger than the sum of its proper divisors (15097).

75455 is a wasteful number, since it uses less digits than its factorization.

75455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15096.

The product of its digits is 3500, while the sum is 26.

The square root of 75455 is about 274.6907351914. The cubic root of 75455 is about 42.2567418020.

The spelling of 75455 in words is "seventy-five thousand, four hundred fifty-five".