93551 has 4 divisors (see below), whose sum is σ = 99072. Its totient is φ = 88032.

The previous prime is 93529. The next prime is 93553. The reversal of 93551 is 15539.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15539 = 41 ⋅379.

It is a cyclic number.

It is not a de Polignac number, because 93551 - 2⁶ = 93487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2735 + ... + 2768.

It is an arithmetic number, because the mean of its divisors is an integer number (24768).

2⁹³⁵⁵¹ is an apocalyptic number.

93551 is a deficient number, since it is larger than the sum of its proper divisors (5521).

93551 is a wasteful number, since it uses less digits than its factorization.

93551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5520.

The product of its digits is 675, while the sum is 23.

The square root of 93551 is about 305.8610795770. The cubic root of 93551 is about 45.3958492068.

Subtracting from 93551 its sum of digits (23), we obtain a triangular number (93528 = T₄₃₂).

The spelling of 93551 in words is "ninety-three thousand, five hundred fifty-one".