100553919 has 8 divisors (see below), whose sum is σ = 135687552. Its totient is φ = 66228120.

The previous prime is 100553899. The next prime is 100553939. The reversal of 100553919 is 919355001.

It is an interprime number because it is at equal distance from previous prime (100553899) and next prime (100553939).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100553919 - 2¹⁶ = 100488383 is a prime.

It is a super-2 number, since 2×100553919² = 20222181252517122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 100553919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100553939) 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 7 ways as a sum of consecutive naturals, for example, 201667 + ... + 202164.

It is an arithmetic number, because the mean of its divisors is an integer number (16960944).

Almost surely, 2^100553919 is an apocalyptic number.

100553919 is a deficient number, since it is larger than the sum of its proper divisors (35133633).

100553919 is an equidigital number, since it uses as much as digits as its factorization.

100553919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403917.

The product of its (nonzero) digits is 6075, while the sum is 33.

The square root of 100553919 is about 10027.6577025744. The cubic root of 100553919 is about 465.0143272265.

The spelling of 100553919 in words is "one hundred million, five hundred fifty-three thousand, nine hundred nineteen".