102055563 has 12 divisors (see below), whose sum is σ = 147529200. Its totient is φ = 67983696.

The previous prime is 102055561. The next prime is 102055571. The reversal of 102055563 is 365550201.

102055563 is a `hidden beast` number, since 102 + 0 + 5 + 556 + 3 = 666.

It is not a de Polignac number, because 102055563 - 2¹ = 102055561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102055561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10213 + ... + 17561.

It is an arithmetic number, because the mean of its divisors is an integer number (12294100).

Almost surely, 2^102055563 is an apocalyptic number.

102055563 is a deficient number, since it is larger than the sum of its proper divisors (45473637).

102055563 is a wasteful number, since it uses less digits than its factorization.

102055563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8898 (or 8895 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 102055563 is about 10102.2553422491. The cubic root of 102055563 is about 467.3176968473.

The spelling of 102055563 in words is "one hundred two million, fifty-five thousand, five hundred sixty-three".