103890550 has 12 divisors (see below), whose sum is σ = 193236516. Its totient is φ = 41556200.

The previous prime is 103890509. The next prime is 103890551. The reversal of 103890550 is 55098301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103890551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1038856 + ... + 1038955.

It is an arithmetic number, because the mean of its divisors is an integer number (16103043).

Almost surely, 2^103890550 is an apocalyptic number.

103890550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103890550 is a deficient number, since it is larger than the sum of its proper divisors (89345966).

103890550 is a wasteful number, since it uses less digits than its factorization.

103890550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2077823 (or 2077818 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 103890550 is about 10192.6713868348. The cubic root of 103890550 is about 470.1019093939.

The spelling of 103890550 in words is "one hundred three million, eight hundred ninety thousand, five hundred fifty".