67553 has 4 divisors (see below), whose sum is σ = 69168. Its totient is φ = 65940.

The previous prime is 67547. The next prime is 67559. The reversal of 67553 is 35576.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (67547) and next prime (67559).

It is a cyclic number.

It is not a de Polignac number, because 67553 - 2⁴ = 67537 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (67559) 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, 743 + ... + 828.

It is an arithmetic number, because the mean of its divisors is an integer number (17292).

2⁶⁷⁵⁵³ is an apocalyptic number.

It is an amenable number.

67553 is a deficient number, since it is larger than the sum of its proper divisors (1615).

67553 is a wasteful number, since it uses less digits than its factorization.

67553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614.

The product of its digits is 3150, while the sum is 26.

The square root of 67553 is about 259.9095996688. The cubic root of 67553 is about 40.7269180635.

The spelling of 67553 in words is "sixty-seven thousand, five hundred fifty-three".