99419553 has 12 divisors (see below), whose sum is σ = 152053668. Its totient is φ = 62380800.

The previous prime is 99419549. The next prime is 99419563. The reversal of 99419553 is 35591499.

It is a happy number.

99419553 is a `hidden beast` number, since 9 + 94 + 1 + 9 + 553 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 86545809 + 12873744 = 9303^2 + 3588^2 .

It is not a de Polignac number, because 99419553 - 2² = 99419549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99419499 and 99419508.

It is not an unprimeable number, because it can be changed into a prime (99419513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 324748 + ... + 325053.

It is an arithmetic number, because the mean of its divisors is an integer number (12671139).

Almost surely, 2^99419553 is an apocalyptic number.

It is an amenable number.

99419553 is a deficient number, since it is larger than the sum of its proper divisors (52634115).

99419553 is a wasteful number, since it uses less digits than its factorization.

99419553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649824 (or 649821 counting only the distinct ones).

The product of its digits is 218700, while the sum is 45.

The square root of 99419553 is about 9970.9354124876. The cubic root of 99419553 is about 463.2590747004.

The spelling of 99419553 in words is "ninety-nine million, four hundred nineteen thousand, five hundred fifty-three".