99755432 has 64 divisors (see below), whose sum is σ = 220631040. Its totient is φ = 41400000.

The previous prime is 99755423. The next prime is 99755437. The reversal of 99755432 is 23455799.

It is a super-2 number, since 2×99755432² = 19902292427013248, which contains 22 as substring.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (99755437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397307 + ... + 397557.

It is an arithmetic number, because the mean of its divisors is an integer number (3447360).

Almost surely, 2^99755432 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 99755432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110315520).

99755432 is an abundant number, since it is smaller than the sum of its proper divisors (120875608).

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

99755432 is a wasteful number, since it uses less digits than its factorization.

99755432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462 (or 458 counting only the distinct ones).

The product of its digits is 340200, while the sum is 44.

The square root of 99755432 is about 9987.7641141549. The cubic root of 99755432 is about 463.7801797647.

The spelling of 99755432 in words is "ninety-nine million, seven hundred fifty-five thousand, four hundred thirty-two".