49681471 has 4 divisors (see below), whose sum is σ = 56778832. Its totient is φ = 42584112.

The previous prime is 49681459. The next prime is 49681477. The reversal of 49681471 is 17418694.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49681471 - 2⁵ = 49681439 is a prime.

It is a super-3 number, since 3×49681471³ (a number of 24 digits) contains 333 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 (49681477) 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, 3548670 + ... + 3548683.

It is an arithmetic number, because the mean of its divisors is an integer number (14194708).

Almost surely, 2^49681471 is an apocalyptic number.

49681471 is a deficient number, since it is larger than the sum of its proper divisors (7097361).

49681471 is an equidigital number, since it uses as much as digits as its factorization.

49681471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7097360.

The product of its digits is 48384, while the sum is 40.

The square root of 49681471 is about 7048.5084237731. The cubic root of 49681471 is about 367.6191687821.

The spelling of 49681471 in words is "forty-nine million, six hundred eighty-one thousand, four hundred seventy-one".