58542281 has 4 divisors (see below), whose sum is σ = 66905472. Its totient is φ = 50179092.

The previous prime is 58542259. The next prime is 58542311. The reversal of 58542281 is 18224585.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 58542281 - 2⁶ = 58542217 is a prime.

It is a super-2 number, since 2×58542281² = 6854397329365922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (58572281) 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, 4181585 + ... + 4181598.

It is an arithmetic number, because the mean of its divisors is an integer number (16726368).

Almost surely, 2^58542281 is an apocalyptic number.

It is an amenable number.

58542281 is a deficient number, since it is larger than the sum of its proper divisors (8363191).

58542281 is an equidigital number, since it uses as much as digits as its factorization.

58542281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8363190.

The product of its digits is 25600, while the sum is 35.

The square root of 58542281 is about 7651.2927665853. The cubic root of 58542281 is about 388.2903046669.

The spelling of 58542281 in words is "fifty-eight million, five hundred forty-two thousand, two hundred eighty-one".