58213661 has 8 divisors (see below), whose sum is σ = 67241664. Its totient is φ = 49808320.

The previous prime is 58213633. The next prime is 58213679. The reversal of 58213661 is 16631285.

It is a happy number.

58213661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 58213661 - 2¹⁴ = 58197277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58213261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155465 + ... + 155838.

It is an arithmetic number, because the mean of its divisors is an integer number (8405208).

Almost surely, 2^58213661 is an apocalyptic number.

It is an amenable number.

58213661 is a deficient number, since it is larger than the sum of its proper divisors (9028003).

58213661 is a wasteful number, since it uses less digits than its factorization.

58213661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311331.

The product of its digits is 8640, while the sum is 32.

The square root of 58213661 is about 7629.7877427881. The cubic root of 58213661 is about 387.5624007729.

The spelling of 58213661 in words is "fifty-eight million, two hundred thirteen thousand, six hundred sixty-one".