103540553 has 8 divisors (see below), whose sum is σ = 104898600. Its totient is φ = 102187008.

The previous prime is 103540543. The next prime is 103540561. The reversal of 103540553 is 355045301.

It can be written as a sum of positive squares in 4 ways, for example, as 8048569 + 95491984 = 2837^2 + 9772^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103540553 is a prime.

It is a super-3 number, since 3×103540553³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103540543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89225 + ... + 90377.

It is an arithmetic number, because the mean of its divisors is an integer number (13112325).

Almost surely, 2^103540553 is an apocalyptic number.

It is an amenable number.

103540553 is a deficient number, since it is larger than the sum of its proper divisors (1358047).

103540553 is a wasteful number, since it uses less digits than its factorization.

103540553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2251.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 103540553 is about 10175.4878507126. The cubic root of 103540553 is about 469.5734064931.

Adding to 103540553 its reverse (355045301), we get a palindrome (458585854).

The spelling of 103540553 in words is "one hundred three million, five hundred forty thousand, five hundred fifty-three".