99530554 has 4 divisors (see below), whose sum is σ = 149295834. Its totient is φ = 49765276.

The previous prime is 99530549. The next prime is 99530579. The reversal of 99530554 is 45503599.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45503599 = 37 ⋅1229827.

It can be written as a sum of positive squares in only one way, i.e., 99500625 + 29929 = 9975^2 + 173^2 .

It is a super-3 number, since 3×99530554³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24882637 + ... + 24882640.

Almost surely, 2^99530554 is an apocalyptic number.

99530554 is a deficient number, since it is larger than the sum of its proper divisors (49765280).

99530554 is a wasteful number, since it uses less digits than its factorization.

99530554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49765279.

The product of its (nonzero) digits is 121500, while the sum is 40.

The square root of 99530554 is about 9976.5000877061. The cubic root of 99530554 is about 463.4314187159.

The spelling of 99530554 in words is "ninety-nine million, five hundred thirty thousand, five hundred fifty-four".