99055970 has 24 divisors (see below), whose sum is σ = 193074516. Its totient is φ = 36573888.

The previous prime is 99055951. The next prime is 99055973. The reversal of 99055970 is 7955099.

It can be written as a sum of positive squares in 6 ways, for example, as 39904489 + 59151481 = 6317^2 + 7691^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (99055973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27617 + ... + 30996.

Almost surely, 2^99055970 is an apocalyptic number.

99055970 is a deficient number, since it is larger than the sum of its proper divisors (94018546).

99055970 is a wasteful number, since it uses less digits than its factorization.

99055970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58646 (or 58633 counting only the distinct ones).

The product of its (nonzero) digits is 127575, while the sum is 44.

The square root of 99055970 is about 9952.6865719764. The cubic root of 99055970 is about 462.6936632348.

The spelling of 99055970 in words is "ninety-nine million, fifty-five thousand, nine hundred seventy".