75501 has 6 divisors (see below), whose sum is σ = 109070. Its totient is φ = 50328.

The previous prime is 75479. The next prime is 75503. The reversal of 75501 is 10557.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 72900 + 2601 = 270^2 + 51^2 .

It is not a de Polignac number, because 75501 - 2⁶ = 75437 is a prime.

It is a Duffinian number.

It is a plaindrome in base 8.

It is a zygodrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75503) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4186 + ... + 4203.

2⁷⁵⁵⁰¹ is an apocalyptic number.

It is an amenable number.

75501 is a deficient number, since it is larger than the sum of its proper divisors (33569).

75501 is a wasteful number, since it uses less digits than its factorization.

75501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8395 (or 8392 counting only the distinct ones).

The product of its (nonzero) digits is 175, while the sum is 18.

The square root of 75501 is about 274.7744529610. The cubic root of 75501 is about 42.2653271188.

It can be divided in two parts, 75 and 501, that added together give a square (576 = 24²).

The spelling of 75501 in words is "seventy-five thousand, five hundred one".