99553501441 has 3 divisors (see below), whose sum is σ = 99553816963. Its totient is φ = 99553185920.

The previous prime is 99553501427. The next prime is 99553501451. The reversal of 99553501441 is 14410535599.

It is a happy number.

The square root of 99553501441 is 315521.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 77578403841 + 21975097600 = 278529^2 + 148240^2 .

It is not a de Polignac number, because 99553501441 - 2¹¹ = 99553499393 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99553501391 and 99553501400.

It is not an unprimeable number, because it can be changed into a prime (99553501451) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 157761 + ... + 473281.

Almost surely, 2^99553501441 is an apocalyptic number.

99553501441 is the 315521-st square number.

99553501441 is the 157761-st centered octagonal number.

It is an amenable number.

99553501441 is a deficient number, since it is larger than the sum of its proper divisors (315522).

99553501441 is an frugal number, since it uses more digits than its factorization.

99553501441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631042 (or 315521 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 46.

The spelling of 99553501441 in words is "ninety-nine billion, five hundred fifty-three million, five hundred one thousand, four hundred forty-one".