49121683 has 4 divisors (see below), whose sum is σ = 52900288. Its totient is φ = 45343080.

The previous prime is 49121623. The next prime is 49121693. The reversal of 49121683 is 38612194.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49121683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49121603) 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, 1889283 + ... + 1889308.

It is an arithmetic number, because the mean of its divisors is an integer number (13225072).

Almost surely, 2^49121683 is an apocalyptic number.

49121683 is a deficient number, since it is larger than the sum of its proper divisors (3778605).

49121683 is a wasteful number, since it uses less digits than its factorization.

49121683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3778604.

The product of its digits is 10368, while the sum is 34.

The square root of 49121683 is about 7008.6862535000. The cubic root of 49121683 is about 366.2332289726.

The spelling of 49121683 in words is "forty-nine million, one hundred twenty-one thousand, six hundred eighty-three".