48563881 has 4 divisors (see below), whose sum is σ = 49149072. Its totient is φ = 47978692.

The previous prime is 48563873. The next prime is 48563891. The reversal of 48563881 is 18836584.

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 48563881 - 2³ = 48563873 is a prime.

It is a super-2 number, since 2×48563881² = 4716901075564322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48563891) 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, 292471 + ... + 292636.

It is an arithmetic number, because the mean of its divisors is an integer number (12287268).

Almost surely, 2^48563881 is an apocalyptic number.

It is an amenable number.

48563881 is a deficient number, since it is larger than the sum of its proper divisors (585191).

48563881 is an equidigital number, since it uses as much as digits as its factorization.

48563881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585190.

The product of its digits is 184320, while the sum is 43.

The square root of 48563881 is about 6968.7790178768. The cubic root of 48563881 is about 364.8416927803.

The spelling of 48563881 in words is "forty-eight million, five hundred sixty-three thousand, eight hundred eighty-one".