49982981 has 8 divisors (see below), whose sum is σ = 50761728. Its totient is φ = 49210000.

The previous prime is 49982957. The next prime is 49982983. The reversal of 49982981 is 18928994.

It is a happy number.

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 49982981 - 2⁶ = 49982917 is a prime.

It is a super-2 number, since 2×49982981² = 4996596779292722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49982983) 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, 17996 + ... + 20586.

It is an arithmetic number, because the mean of its divisors is an integer number (6345216).

Almost surely, 2^49982981 is an apocalyptic number.

It is an amenable number.

49982981 is a deficient number, since it is larger than the sum of its proper divisors (778747).

49982981 is a wasteful number, since it uses less digits than its factorization.

49982981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2883.

The product of its digits is 373248, while the sum is 50.

The square root of 49982981 is about 7069.8642844117. The cubic root of 49982981 is about 368.3613460992.

The spelling of 49982981 in words is "forty-nine million, nine hundred eighty-two thousand, nine hundred eighty-one".