58000000 has 112 divisors (see below), whose sum is σ = 149412150. Its totient is φ = 22400000.

The previous prime is 57999941. The next prime is 58000003. The reversal of 58000000 is 85.

It can be written as a sum of positive squares in 7 ways, for example, as 30206016 + 27793984 = 5496^2 + 5272^2 .

It is not an unprimeable number, because it can be changed into a prime (58000003) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1999986 + ... + 2000014.

Almost surely, 2^58000000 is an apocalyptic number.

58000000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 58000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74706075).

58000000 is an abundant number, since it is smaller than the sum of its proper divisors (91412150).

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

58000000 is an frugal number, since it uses more digits than its factorization.

58000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73 (or 36 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 58000000 is about 7615.7731058639. The cubic root of 58000000 is about 387.0876640628.

Adding to 58000000 its reverse (85), we get a palindrome (58000085).

The spelling of 58000000 in words is "fifty-eight million", and thus it is an aban number and an uban number.