58538661 has 4 divisors (see below), whose sum is σ = 78051552. Its totient is φ = 39025772.

The previous prime is 58538653. The next prime is 58538663. The reversal of 58538661 is 16683585.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 58538661 - 2³ = 58538653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58538663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9756441 + ... + 9756446.

It is an arithmetic number, because the mean of its divisors is an integer number (19512888).

Almost surely, 2^58538661 is an apocalyptic number.

It is an amenable number.

58538661 is a deficient number, since it is larger than the sum of its proper divisors (19512891).

58538661 is a wasteful number, since it uses less digits than its factorization.

58538661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19512890.

The product of its digits is 172800, while the sum is 42.

The square root of 58538661 is about 7651.0562015973. The cubic root of 58538661 is about 388.2823011075.

The spelling of 58538661 in words is "fifty-eight million, five hundred thirty-eight thousand, six hundred sixty-one".