58381381 has 4 divisors (see below), whose sum is σ = 58917100. Its totient is φ = 57845664.

The previous prime is 58381361. The next prime is 58381399. The reversal of 58381381 is 18318385.

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

It can be written as a sum of positive squares in 2 ways, for example, as 49773025 + 8608356 = 7055^2 + 2934^2 .

It is a cyclic number.

It is not a de Polignac number, because 58381381 - 2¹¹ = 58379333 is a prime.

It is a super-2 number, since 2×58381381² = 6816771294934322, which contains 22 as substring.

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 58381381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58381361) 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, 267696 + ... + 267913.

It is an arithmetic number, because the mean of its divisors is an integer number (14729275).

Almost surely, 2^58381381 is an apocalyptic number.

It is an amenable number.

58381381 is a deficient number, since it is larger than the sum of its proper divisors (535719).

58381381 is a wasteful number, since it uses less digits than its factorization.

58381381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535718.

The product of its digits is 23040, while the sum is 37.

The square root of 58381381 is about 7640.7709689533. The cubic root of 58381381 is about 387.9342472806.

The spelling of 58381381 in words is "fifty-eight million, three hundred eighty-one thousand, three hundred eighty-one".