58131947 has 4 divisors (see below), whose sum is σ = 58999656. Its totient is φ = 57264240.

The previous prime is 58131943. The next prime is 58131949. The reversal of 58131947 is 74913185.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 58131947 - 2² = 58131943 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 58131947.

It is not an unprimeable number, because it can be changed into a prime (58131943) 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, 433754 + ... + 433887.

It is an arithmetic number, because the mean of its divisors is an integer number (14749914).

Almost surely, 2^58131947 is an apocalyptic number.

58131947 is a deficient number, since it is larger than the sum of its proper divisors (867709).

58131947 is an equidigital number, since it uses as much as digits as its factorization.

58131947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867708.

The product of its digits is 30240, while the sum is 38.

The square root of 58131947 is about 7624.4309295842. The cubic root of 58131947 is about 387.3809765562.

The spelling of 58131947 in words is "fifty-eight million, one hundred thirty-one thousand, nine hundred forty-seven".