58549140 has 144 divisors (see below), whose sum is σ = 193729536. Its totient is φ = 14227200.

The previous prime is 58549129. The next prime is 58549147. The reversal of 58549140 is 4194585.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 58549095 and 58549104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58549147) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 306445 + ... + 306635.

It is an arithmetic number, because the mean of its divisors is an integer number (1345344).

Almost surely, 2^58549140 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 58549140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96864768).

58549140 is an abundant number, since it is smaller than the sum of its proper divisors (135180396).

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

58549140 is a wasteful number, since it uses less digits than its factorization.

58549140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 58549140 is about 7651.7409783656. The cubic root of 58549140 is about 388.3054685175.

The spelling of 58549140 in words is "fifty-eight million, five hundred forty-nine thousand, one hundred forty".