102663550 has 48 divisors (see below), whose sum is σ = 211249872. Its totient is φ = 36806400.

The previous prime is 102663523. The next prime is 102663569. The reversal of 102663550 is 55366201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38872 + ... + 41428.

It is an arithmetic number, because the mean of its divisors is an integer number (4401039).

Almost surely, 2^102663550 is an apocalyptic number.

102663550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102663550 is an abundant number, since it is smaller than the sum of its proper divisors (108586322).

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

102663550 is a wasteful number, since it uses less digits than its factorization.

102663550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2653 (or 2648 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 102663550 is about 10132.3023050045. The cubic root of 102663550 is about 468.2438613910.

The spelling of 102663550 in words is "one hundred two million, six hundred sixty-three thousand, five hundred fifty".