58111491 has 16 divisors (see below), whose sum is σ = 82543104. Its totient is φ = 36238464.

The previous prime is 58111483. The next prime is 58111513. The reversal of 58111491 is 19411185.

It is a happy number.

It is not a de Polignac number, because 58111491 - 2³ = 58111483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (58111421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5106 + ... + 11928.

It is an arithmetic number, because the mean of its divisors is an integer number (5158944).

Almost surely, 2^58111491 is an apocalyptic number.

58111491 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

58111491 is a deficient number, since it is larger than the sum of its proper divisors (24431613).

58111491 is a wasteful number, since it uses less digits than its factorization.

58111491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7010.

The product of its digits is 1440, while the sum is 30.

The square root of 58111491 is about 7623.0893343841. The cubic root of 58111491 is about 387.3355328410.

The spelling of 58111491 in words is "fifty-eight million, one hundred eleven thousand, four hundred ninety-one".