49581881 has 8 divisors (see below), whose sum is σ = 51009024. Its totient is φ = 48167280.

The previous prime is 49581869. The next prime is 49581913. The reversal of 49581881 is 18818594.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49581881 - 2⁶ = 49581817 is a prime.

It is a super-2 number, since 2×49581881² = 4916725846996322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49581481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5195 + ... + 11231.

It is an arithmetic number, because the mean of its divisors is an integer number (6376128).

Almost surely, 2^49581881 is an apocalyptic number.

It is an amenable number.

49581881 is a deficient number, since it is larger than the sum of its proper divisors (1427143).

49581881 is a wasteful number, since it uses less digits than its factorization.

49581881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6271.

The product of its digits is 92160, while the sum is 44.

The square root of 49581881 is about 7041.4402646050. The cubic root of 49581881 is about 367.3733649791.

The spelling of 49581881 in words is "forty-nine million, five hundred eighty-one thousand, eight hundred eighty-one".