99544542 has 32 divisors (see below), whose sum is σ = 203005440. Its totient is φ = 32535360.

The previous prime is 99544519. The next prime is 99544579. The reversal of 99544542 is 24544599.

It is a junction number, because it is equal to n+sod(n) for n = 99544494 and 99544503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69243 + ... + 70665.

It is an arithmetic number, because the mean of its divisors is an integer number (6343920).

Almost surely, 2^99544542 is an apocalyptic number.

99544542 is an abundant number, since it is smaller than the sum of its proper divisors (103460898).

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

99544542 is a wasteful number, since it uses less digits than its factorization.

99544542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648.

The product of its digits is 259200, while the sum is 42.

The square root of 99544542 is about 9977.2011105320. The cubic root of 99544542 is about 463.4531278787.

The spelling of 99544542 in words is "ninety-nine million, five hundred forty-four thousand, five hundred forty-two".