99812552 has 32 divisors (see below), whose sum is σ = 214705920. Its totient is φ = 42612480.

The previous prime is 99812551. The next prime is 99812579. The reversal of 99812552 is 25521899.

It is not an unprimeable number, because it can be changed into a prime (99812551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11888 + ... + 18464.

It is an arithmetic number, because the mean of its divisors is an integer number (6709560).

Almost surely, 2^99812552 is an apocalyptic number.

It is an amenable number.

99812552 is an abundant number, since it is smaller than the sum of its proper divisors (114893368).

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

99812552 is a wasteful number, since it uses less digits than its factorization.

99812552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6861 (or 6857 counting only the distinct ones).

The product of its digits is 64800, while the sum is 41.

The square root of 99812552 is about 9990.6232037846. The cubic root of 99812552 is about 463.8686831129.

The spelling of 99812552 in words is "ninety-nine million, eight hundred twelve thousand, five hundred fifty-two".