100553939 has 2 divisors, whose sum is σ = 100553940. Its totient is φ = 100553938.

The previous prime is 100553899. The next prime is 100553951. The reversal of 100553939 is 939355001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100553939 - 2⁸ = 100553683 is a prime.

It is a super-2 number, since 2×100553939² = 20222189296831442, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 100553899 and 100553908.

It is not a weakly prime, because it can be changed into another prime (100553239) 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 as a sum of consecutive naturals, namely, 50276969 + 50276970.

It is an arithmetic number, because the mean of its divisors is an integer number (50276970).

Almost surely, 2^100553939 is an apocalyptic number.

100553939 is a deficient number, since it is larger than the sum of its proper divisors (1).

100553939 is an equidigital number, since it uses as much as digits as its factorization.

100553939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18225, while the sum is 35.

The square root of 100553939 is about 10027.6586998162. The cubic root of 100553939 is about 465.0143580567.

The spelling of 100553939 in words is "one hundred million, five hundred fifty-three thousand, nine hundred thirty-nine".