58016399 has 4 divisors (see below), whose sum is σ = 66304464. Its totient is φ = 49728336.

The previous prime is 58016381. The next prime is 58016401. The reversal of 58016399 is 99361085.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99361085 = 5 ⋅19872217.

It is a de Polignac number, because none of the positive numbers 2^k-58016399 is a prime.

It is a super-3 number, since 3×58016399³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58016339) 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, 4144022 + ... + 4144035.

It is an arithmetic number, because the mean of its divisors is an integer number (16576116).

Almost surely, 2^58016399 is an apocalyptic number.

58016399 is a deficient number, since it is larger than the sum of its proper divisors (8288065).

58016399 is an equidigital number, since it uses as much as digits as its factorization.

58016399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8288064.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 58016399 is about 7616.8496768677. The cubic root of 58016399 is about 387.1241425250.

The spelling of 58016399 in words is "fifty-eight million, sixteen thousand, three hundred ninety-nine".