99552553 has 8 divisors (see below), whose sum is σ = 101366240. Its totient is φ = 97770420.

The previous prime is 99552547. The next prime is 99552559. The reversal of 99552553 is 35525599.

It is an interprime number because it is at equal distance from previous prime (99552547) and next prime (99552559).

It is a de Polignac number, because none of the positive numbers 2^k-99552553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99552559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300598 + ... + 300928.

It is an arithmetic number, because the mean of its divisors is an integer number (12670780).

Almost surely, 2^99552553 is an apocalyptic number.

It is an amenable number.

99552553 is a deficient number, since it is larger than the sum of its proper divisors (1813687).

99552553 is an frugal number, since it uses more digits than its factorization.

99552553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532 (or 398 counting only the distinct ones).

The product of its digits is 303750, while the sum is 43.

The square root of 99552553 is about 9977.6025677514. The cubic root of 99552553 is about 463.4655599128.

The spelling of 99552553 in words is "ninety-nine million, five hundred fifty-two thousand, five hundred fifty-three".