99551744 has 40 divisors (see below), whose sum is σ = 200606208. Its totient is φ = 49351680.

The previous prime is 99551743. The next prime is 99551807. The reversal of 99551744 is 44715599.

It is a junction number, because it is equal to n+sod(n) for n = 99551695 and 99551704.

It is not an unprimeable number, because it can be changed into a prime (99551741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64259 + ... + 65789.

Almost surely, 2^99551744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99551744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100303104).

99551744 is an abundant number, since it is smaller than the sum of its proper divisors (101054464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99551744 is a wasteful number, since it uses less digits than its factorization.

99551744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676 (or 1660 counting only the distinct ones).

The product of its digits is 226800, while the sum is 44.

The square root of 99551744 is about 9977.5620268681. The cubic root of 99551744 is about 463.4643044799.

The spelling of 99551744 in words is "ninety-nine million, five hundred fifty-one thousand, seven hundred forty-four".