58194981 has 18 divisors (see below), whose sum is σ = 91025298. Its totient is φ = 35811360.

The previous prime is 58194979. The next prime is 58194989. The reversal of 58194981 is 18949185.

It can be written as a sum of positive squares in 3 ways, for example, as 4040100 + 54154881 = 2010^2 + 7359^2 .

It is not a de Polignac number, because 58194981 - 2¹ = 58194979 is a prime.

It is a super-2 number, since 2×58194981² = 6773311627180722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58194989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 17610 + ... + 20651.

It is an arithmetic number, because the mean of its divisors is an integer number (5056961).

Almost surely, 2^58194981 is an apocalyptic number.

It is an amenable number.

58194981 is a deficient number, since it is larger than the sum of its proper divisors (32830317).

58194981 is a wasteful number, since it uses less digits than its factorization.

58194981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38293 (or 38277 counting only the distinct ones).

The product of its digits is 103680, while the sum is 45.

The square root of 58194981 is about 7628.5634951805. The cubic root of 58194981 is about 387.5209417749.

The spelling of 58194981 in words is "fifty-eight million, one hundred ninety-four thousand, nine hundred eighty-one".