58139648 has 44 divisors (see below), whose sum is σ = 132842112. Its totient is φ = 24913920.

The previous prime is 58139633. The next prime is 58139659. The reversal of 58139648 is 84693185.

It is a junction number, because it is equal to n+sod(n) for n = 58139599 and 58139608.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3113 + ... + 11223.

Almost surely, 2^58139648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 58139648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66421056).

58139648 is an abundant number, since it is smaller than the sum of its proper divisors (74702464).

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

58139648 is an equidigital number, since it uses as much as digits as its factorization.

58139648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8138 (or 8120 counting only the distinct ones).

The product of its digits is 207360, while the sum is 44.

The square root of 58139648 is about 7624.9359341571. The cubic root of 58139648 is about 387.3980818332.

The spelling of 58139648 in words is "fifty-eight million, one hundred thirty-nine thousand, six hundred forty-eight".