103555520 has 56 divisors (see below), whose sum is σ = 255117600. Its totient is φ = 39990272.

The previous prime is 103555513. The next prime is 103555547. The reversal of 103555520 is 25555301.

It is a super-3 number, since 3×103555520³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103555520.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3701 + ... + 14859.

Almost surely, 2^103555520 is an apocalyptic number.

103555520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103555520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127558800).

103555520 is an abundant number, since it is smaller than the sum of its proper divisors (151562080).

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

103555520 is a wasteful number, since it uses less digits than its factorization.

103555520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11205 (or 11195 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 103555520 is about 10176.2232679909. The cubic root of 103555520 is about 469.5960313371.

The spelling of 103555520 in words is "one hundred three million, five hundred fifty-five thousand, five hundred twenty".