58117561 has 8 divisors (see below), whose sum is σ = 61490880. Its totient is φ = 54775728.

The previous prime is 58117559. The next prime is 58117571. The reversal of 58117561 is 16571185.

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 58117561 - 2¹ = 58117559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (58117531) 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 7 ways as a sum of consecutive naturals, for example, 4021 + ... + 11506.

It is an arithmetic number, because the mean of its divisors is an integer number (7686360).

Almost surely, 2^58117561 is an apocalyptic number.

It is an amenable number.

58117561 is a deficient number, since it is larger than the sum of its proper divisors (3373319).

58117561 is a wasteful number, since it uses less digits than its factorization.

58117561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15743.

The product of its digits is 8400, while the sum is 34.

The square root of 58117561 is about 7623.4874565385. The cubic root of 58117561 is about 387.3490186696.

The spelling of 58117561 in words is "fifty-eight million, one hundred seventeen thousand, five hundred sixty-one".