95551 has 8 divisors (see below), whose sum is σ = 103680. Its totient is φ = 87768.

The previous prime is 95549. The next prime is 95561. The reversal of 95551 is 15559.

95551 = 20² + 21² + ... + 66².

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 95551 - 2¹ = 95549 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (95531) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 840 + ... + 946.

It is an arithmetic number, because the mean of its divisors is an integer number (12960).

2⁹⁵⁵⁵¹ is an apocalyptic number.

95551 is the 196-th centered pentagonal number.

95551 is a deficient number, since it is larger than the sum of its proper divisors (8129).

95551 is a wasteful number, since it uses less digits than its factorization.

95551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173.

The product of its digits is 1125, while the sum is 25.

The square root of 95551 is about 309.1132478559. The cubic root of 95551 is about 45.7170724678.

It can be divided in two parts, 95 and 551, that added together give a palindrome (646).

The spelling of 95551 in words is "ninety-five thousand, five hundred fifty-one".