49417881 has 4 divisors (see below), whose sum is σ = 65890512. Its totient is φ = 32945252.

The previous prime is 49417877. The next prime is 49417909. The reversal of 49417881 is 18871494.

49417881 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 49417881 - 2² = 49417877 is a prime.

It is a super-2 number, since 2×49417881² = 4884253925060322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49417801) 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, 8236311 + ... + 8236316.

It is an arithmetic number, because the mean of its divisors is an integer number (16472628).

Almost surely, 2^49417881 is an apocalyptic number.

It is an amenable number.

49417881 is a deficient number, since it is larger than the sum of its proper divisors (16472631).

49417881 is a wasteful number, since it uses less digits than its factorization.

49417881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16472630.

The product of its digits is 64512, while the sum is 42.

The square root of 49417881 is about 7029.7852741033. The cubic root of 49417881 is about 366.9678688518.

The spelling of 49417881 in words is "forty-nine million, four hundred seventeen thousand, eight hundred eighty-one".