100553523 has 16 divisors (see below), whose sum is σ = 155823360. Its totient is φ = 56484576.

The previous prime is 100553507. The next prime is 100553569. The reversal of 100553523 is 325355001.

It is not a de Polignac number, because 100553523 - 2⁴ = 100553507 is a prime.

It is a super-2 number, since 2×100553523² = 20222021975423058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100553493 and 100553502.

It is not an unprimeable number, because it can be changed into a prime (100553503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39340 + ... + 41817.

It is an arithmetic number, because the mean of its divisors is an integer number (9738960).

Almost surely, 2^100553523 is an apocalyptic number.

100553523 is a deficient number, since it is larger than the sum of its proper divisors (55269837).

100553523 is an equidigital number, since it uses as much as digits as its factorization.

100553523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81226.

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 100553523 is about 10027.6379571662. The cubic root of 100553523 is about 465.0137167881.

The spelling of 100553523 in words is "one hundred million, five hundred fifty-three thousand, five hundred twenty-three".