58505990 has 16 divisors (see below), whose sum is σ = 108708480. Its totient is φ = 22647360.

The previous prime is 58505983. The next prime is 58505999. The reversal of 58505990 is 9950585.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58505999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94055 + ... + 94674.

It is an arithmetic number, because the mean of its divisors is an integer number (6794280).

Almost surely, 2^58505990 is an apocalyptic number.

58505990 is a deficient number, since it is larger than the sum of its proper divisors (50202490).

58505990 is a wasteful number, since it uses less digits than its factorization.

58505990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188767.

The product of its (nonzero) digits is 81000, while the sum is 41.

The square root of 58505990 is about 7648.9208389158. The cubic root of 58505990 is about 388.2100529467.

It can be divided in two parts, 58505 and 990, that added together give a palindrome (59495).

The spelling of 58505990 in words is "fifty-eight million, five hundred five thousand, nine hundred ninety".