103551655 has 4 divisors (see below), whose sum is σ = 124261992. Its totient is φ = 82841320.

The previous prime is 103551647. The next prime is 103551689. The reversal of 103551655 is 556155301.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 103551655 - 2³ = 103551647 is a prime.

It is a super-3 number, since 3×103551655³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10355161 + ... + 10355170.

It is an arithmetic number, because the mean of its divisors is an integer number (31065498).

Almost surely, 2^103551655 is an apocalyptic number.

103551655 is a deficient number, since it is larger than the sum of its proper divisors (20710337).

103551655 is an equidigital number, since it uses as much as digits as its factorization.

103551655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20710336.

The product of its (nonzero) digits is 11250, while the sum is 31.

The square root of 103551655 is about 10176.0333627598. The cubic root of 103551655 is about 469.5901890242.

The spelling of 103551655 in words is "one hundred three million, five hundred fifty-one thousand, six hundred fifty-five".