99430053 has 4 divisors (see below), whose sum is σ = 132573408. Its totient is φ = 66286700.

The previous prime is 99430049. The next prime is 99430073. The reversal of 99430053 is 35003499.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35003499 = 3 ⋅11667833.

It is a cyclic number.

It is not a de Polignac number, because 99430053 - 2² = 99430049 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 99429996 and 99430023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99430013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16571673 + ... + 16571678.

It is an arithmetic number, because the mean of its divisors is an integer number (33143352).

Almost surely, 2^99430053 is an apocalyptic number.

It is an amenable number.

99430053 is a deficient number, since it is larger than the sum of its proper divisors (33143355).

99430053 is a wasteful number, since it uses less digits than its factorization.

99430053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33143354.

The product of its (nonzero) digits is 14580, while the sum is 33.

The square root of 99430053 is about 9971.4619289250. The cubic root of 99430053 is about 463.2753828574.

The spelling of 99430053 in words is "ninety-nine million, four hundred thirty thousand, fifty-three".