48038581 has 4 divisors (see below), whose sum is σ = 48266464. Its totient is φ = 47810700.

The previous prime is 48038569. The next prime is 48038603. The reversal of 48038581 is 18583084.

48038581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 48038581 - 2⁹ = 48038069 is a prime.

It is a super-2 number, since 2×48038581² = 4615410528987122, 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 48038581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48038521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113625 + ... + 114046.

It is an arithmetic number, because the mean of its divisors is an integer number (12066616).

Almost surely, 2^48038581 is an apocalyptic number.

It is an amenable number.

48038581 is a deficient number, since it is larger than the sum of its proper divisors (227883).

48038581 is a wasteful number, since it uses less digits than its factorization.

48038581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227882.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 48038581 is about 6930.9870148486. The cubic root of 48038581 is about 363.5214623926.

The spelling of 48038581 in words is "forty-eight million, thirty-eight thousand, five hundred eighty-one".