99051500 has 48 divisors (see below), whose sum is σ = 217308000. Its totient is φ = 39441600.

The previous prime is 99051499. The next prime is 99051521. The reversal of 99051500 is 515099.

It is a super-2 number, since 2×99051500² = 19622399304500000, which contains 22 as substring.

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, 198251 + ... + 198749.

It is an arithmetic number, because the mean of its divisors is an integer number (4527250).

Almost surely, 2^99051500 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 99051500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108654000).

99051500 is an abundant number, since it is smaller than the sum of its proper divisors (118256500).

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

99051500 is a wasteful number, since it uses less digits than its factorization.

99051500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915 (or 903 counting only the distinct ones).

The product of its (nonzero) digits is 2025, while the sum is 29.

The square root of 99051500 is about 9952.4620069609. The cubic root of 99051500 is about 462.6867032915.

Adding to 99051500 its reverse (515099), we get a palindrome (99566599).

It can be divided in two parts, 9 and 9051500, that added together give a palindrome (9051509).

The spelling of 99051500 in words is "ninety-nine million, fifty-one thousand, five hundred".