58491420 has 192 divisors, whose sum is σ = 189665280. Its totient is φ = 13363200.

The previous prime is 58491403. The next prime is 58491421. The reversal of 58491420 is 2419485.

58491420 = T₁₇₆ + T₁₇₇ + ... + T₇₀₈.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58491421) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 991351 + ... + 991409.

It is an arithmetic number, because the mean of its divisors is an integer number (987840).

Almost surely, 2^58491420 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 58491420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94832640).

58491420 is an abundant number, since it is smaller than the sum of its proper divisors (131173860).

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

58491420 is a wasteful number, since it uses less digits than its factorization.

58491420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 58491420 is about 7647.9683576751. The cubic root of 58491420 is about 388.1778243945.

The spelling of 58491420 in words is "fifty-eight million, four hundred ninety-one thousand, four hundred twenty".