99759553 has 8 divisors (see below), whose sum is σ = 106718472. Its totient is φ = 92921856.

The previous prime is 99759503. The next prime is 99759571. The reversal of 99759553 is 35595799.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 49463089 + 50296464 = 7033^2 + 7092^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99759553 - 2¹⁷ = 99628481 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99759553.

It is not an unprimeable number, because it can be changed into a prime (99759503) 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, 28600 + ... + 31897.

It is an arithmetic number, because the mean of its divisors is an integer number (13339809).

Almost surely, 2^99759553 is an apocalyptic number.

It is an amenable number.

99759553 is a deficient number, since it is larger than the sum of its proper divisors (6958919).

99759553 is a wasteful number, since it uses less digits than its factorization.

99759553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60611.

The product of its digits is 1913625, while the sum is 52.

The square root of 99759553 is about 9987.9704144536. The cubic root of 99759553 is about 463.7865660896.

The spelling of 99759553 in words is "ninety-nine million, seven hundred fifty-nine thousand, five hundred fifty-three".