100552503 has 16 divisors (see below), whose sum is σ = 141438080. Its totient is φ = 63366624.

The previous prime is 100552489. The next prime is 100552547. The reversal of 100552503 is 305255001.

It is not a de Polignac number, because 100552503 - 2⁵ = 100552471 is a prime.

It is a super-2 number, since 2×100552503² = 20221611719130018, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100552503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100552303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28125 + ... + 31497.

It is an arithmetic number, because the mean of its divisors is an integer number (8839880).

Almost surely, 2^100552503 is an apocalyptic number.

100552503 is a deficient number, since it is larger than the sum of its proper divisors (40885577).

100552503 is a wasteful number, since it uses less digits than its factorization.

100552503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3918.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 100552503 is about 10027.5870976023. The cubic root of 100552503 is about 465.0121444394.

The spelling of 100552503 in words is "one hundred million, five hundred fifty-two thousand, five hundred three".