58121872 has 20 divisors (see below), whose sum is σ = 112729516. Its totient is φ = 29030400.

The previous prime is 58121831. The next prime is 58121879. The reversal of 58121872 is 27812185.

It can be written as a sum of positive squares in 2 ways, for example, as 28047616 + 30074256 = 5296^2 + 5484^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (58121879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27808 + ... + 29824.

Almost surely, 2^58121872 is an apocalyptic number.

It is an amenable number.

58121872 is a deficient number, since it is larger than the sum of its proper divisors (54607644).

58121872 is a wasteful number, since it uses less digits than its factorization.

58121872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3826 (or 3820 counting only the distinct ones).

The product of its digits is 8960, while the sum is 34.

The square root of 58121872 is about 7623.7701959070. The cubic root of 58121872 is about 387.3585959259.

The spelling of 58121872 in words is "fifty-eight million, one hundred twenty-one thousand, eight hundred seventy-two".