58212500 has 36 divisors (see below), whose sum is σ = 127359036. Its totient is φ = 23280000.

The previous prime is 58212499. The next prime is 58212503. The reversal of 58212500 is 521285.

It can be written as a sum of positive squares in 6 ways, for example, as 55562116 + 2650384 = 7454^2 + 1628^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58212503) 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, 10172 + ... + 14828.

It is an arithmetic number, because the mean of its divisors is an integer number (3537751).

Almost surely, 2^58212500 is an apocalyptic number.

58212500 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 58212500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63679518).

58212500 is an abundant number, since it is smaller than the sum of its proper divisors (69146536).

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

58212500 is an equidigital number, since it uses as much as digits as its factorization.

58212500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4686 (or 4664 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 58212500 is about 7629.7116590340. The cubic root of 58212500 is about 387.5598242703.

Adding to 58212500 its reverse (521285), we get a palindrome (58733785).

The spelling of 58212500 in words is "fifty-eight million, two hundred twelve thousand, five hundred".