103540554 has 72 divisors (see below), whose sum is σ = 246055212. Its totient is φ = 31449600.

The previous prime is 103540543. The next prime is 103540561. The reversal of 103540554 is 455045301.

103540554 is a `hidden beast` number, since 103 + 5 + 4 + 0 + 554 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 29975625 + 73564929 = 5475^2 + 8577^2 .

It is a super-3 number, since 3×103540554³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 307074 + ... + 307410.

Almost surely, 2^103540554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103540554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123027606).

103540554 is an abundant number, since it is smaller than the sum of its proper divisors (142514658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103540554 is a wasteful number, since it uses less digits than its factorization.

103540554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 103540554 is about 10175.4878998503. The cubic root of 103540554 is about 469.5734080048.

Adding to 103540554 its reverse (455045301), we get a palindrome (558585855).

The spelling of 103540554 in words is "one hundred three million, five hundred forty thousand, five hundred fifty-four".