99555456 has 384 divisors, whose sum is σ = 371165760. Its totient is φ = 23224320.

The previous prime is 99555437. The next prime is 99555461. The reversal of 99555456 is 65455599.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×99555456² = 19822577638735872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2690670 + ... + 2690706.

Almost surely, 2^99555456 is an apocalyptic number.

99555456 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99555456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185582880).

99555456 is an abundant number, since it is smaller than the sum of its proper divisors (271610304).

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

99555456 is a wasteful number, since it uses less digits than its factorization.

99555456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92 (or 73 counting only the distinct ones).

The product of its digits is 1215000, while the sum is 48.

The square root of 99555456 is about 9977.7480425194. The cubic root of 99555456 is about 463.4700648281.

It can be divided in two parts, 99 and 555456, that added together give a palindrome (555555).

The spelling of 99555456 in words is "ninety-nine million, five hundred fifty-five thousand, four hundred fifty-six".