100550501 has 2 divisors, whose sum is σ = 100550502. Its totient is φ = 100550500.

The previous prime is 100550473. The next prime is 100550507. The reversal of 100550501 is 105055001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63218401 + 37332100 = 7951^2 + 6110^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100550501 is a prime.

It is a super-2 number, since 2×100550501² = 20220806502702002, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 100550501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100550507) 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, 50275250 + 50275251.

It is an arithmetic number, because the mean of its divisors is an integer number (50275251).

Almost surely, 2^100550501 is an apocalyptic number.

It is an amenable number.

100550501 is a deficient number, since it is larger than the sum of its proper divisors (1).

100550501 is an equidigital number, since it uses as much as digits as its factorization.

100550501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 125, while the sum is 17.

The square root of 100550501 is about 10027.4872724925. The cubic root of 100550501 is about 465.0090582889.

The spelling of 100550501 in words is "one hundred million, five hundred fifty thousand, five hundred one".