49681353 has 4 divisors (see below), whose sum is σ = 66241808. Its totient is φ = 33120900.

The previous prime is 49681319. The next prime is 49681367. The reversal of 49681353 is 35318694.

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 not a de Polignac number, because 49681353 - 2¹³ = 49673161 is a prime.

It is the 7049-th Hogben number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49681253) by changing a digit.

It is a nontrivial repunit in base 7048.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8280223 + ... + 8280228.

It is an arithmetic number, because the mean of its divisors is an integer number (16560452).

Almost surely, 2^49681353 is an apocalyptic number.

It is an amenable number.

49681353 is a deficient number, since it is larger than the sum of its proper divisors (16560455).

49681353 is a wasteful number, since it uses less digits than its factorization.

49681353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16560454.

The product of its digits is 77760, while the sum is 39.

The square root of 49681353 is about 7048.5000532028. The cubic root of 49681353 is about 367.6188777340.

The spelling of 49681353 in words is "forty-nine million, six hundred eighty-one thousand, three hundred fifty-three".