99124550 has 36 divisors (see below), whose sum is σ = 214478460. Its totient is φ = 33984720.

The previous prime is 99124541. The next prime is 99124579. The reversal of 99124550 is 5542199.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 99124550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 17780 + ... + 22679.

It is an arithmetic number, because the mean of its divisors is an integer number (5957735).

Almost surely, 2^99124550 is an apocalyptic number.

99124550 is an abundant number, since it is smaller than the sum of its proper divisors (115353910).

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

99124550 is a wasteful number, since it uses less digits than its factorization.

99124550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40485 (or 40473 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 99124550 is about 9956.1312767560. The cubic root of 99124550 is about 462.8004184065.

The spelling of 99124550 in words is "ninety-nine million, one hundred twenty-four thousand, five hundred fifty".