100553899 has 2 divisors, whose sum is σ = 100553900. Its totient is φ = 100553898.

The previous prime is 100553881. The next prime is 100553939. The reversal of 100553899 is 998355001.

It is an a-pointer prime, because the next prime (100553939) can be obtained adding 100553899 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100553899 - 2⁵ = 100553867 is a prime.

It is a super-2 number, since 2×100553899² = 20222173208204402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100553809) 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, 50276949 + 50276950.

It is an arithmetic number, because the mean of its divisors is an integer number (50276950).

Almost surely, 2^100553899 is an apocalyptic number.

100553899 is a deficient number, since it is larger than the sum of its proper divisors (1).

100553899 is an equidigital number, since it uses as much as digits as its factorization.

100553899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 100553899 is about 10027.6567053325. The cubic root of 100553899 is about 465.0142963963.

The spelling of 100553899 in words is "one hundred million, five hundred fifty-three thousand, eight hundred ninety-nine".