48583838581 has 4 divisors (see below), whose sum is σ = 48801703552. Its totient is φ = 48365973612.

The previous prime is 48583838551. The next prime is 48583838587. The reversal of 48583838581 is 18583838584.

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 48583838581 - 2²³ = 48575449973 is a prime.

It is a super-2 number, since 2×48583838581² (a number of 22 digits) contains 22 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 (48583838587) 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, 108932151 + ... + 108932596.

It is an arithmetic number, because the mean of its divisors is an integer number (12200425888).

Almost surely, 2^48583838581 is an apocalyptic number.

It is an amenable number.

48583838581 is a deficient number, since it is larger than the sum of its proper divisors (217864971).

48583838581 is a wasteful number, since it uses less digits than its factorization.

48583838581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217864970.

The product of its digits is 29491200, while the sum is 61.

The spelling of 48583838581 in words is "forty-eight billion, five hundred eighty-three million, eight hundred thirty-eight thousand, five hundred eighty-one".