99057 has 16 divisors (see below), whose sum is σ = 155520. Its totient is φ = 54912.

The previous prime is 99053. The next prime is 99079. The reversal of 99057 is 75099.

It is a happy number.

It is not a de Polignac number, because 99057 - 2² = 99053 is a prime.

99057 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 99057.

It is not an unprimeable number, because it can be changed into a prime (99053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1069 + ... + 1157.

It is an arithmetic number, because the mean of its divisors is an integer number (9720).

2⁹⁹⁰⁵⁷ is an apocalyptic number.

It is an amenable number.

99057 is a deficient number, since it is larger than the sum of its proper divisors (56463).

99057 is a wasteful number, since it uses less digits than its factorization.

99057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152.

The product of its (nonzero) digits is 2835, while the sum is 30.

The square root of 99057 is about 314.7332203629. The cubic root of 99057 is about 46.2695266950.

The spelling of 99057 in words is "ninety-nine thousand, fifty-seven".