49359681 has 12 divisors (see below), whose sum is σ = 81482752. Its totient is φ = 28205496.

The previous prime is 49359649. The next prime is 49359683. The reversal of 49359681 is 18695394.

It is a happy number.

It is not a de Polignac number, because 49359681 - 2⁵ = 49359649 is a prime.

It is a super-2 number, since 2×49359681² = 4872756216843522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49359683) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 391681 + ... + 391806.

Almost surely, 2^49359681 is an apocalyptic number.

It is an amenable number.

49359681 is a deficient number, since it is larger than the sum of its proper divisors (32123071).

49359681 is a wasteful number, since it uses less digits than its factorization.

49359681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783500 (or 783497 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 49359681 is about 7025.6445255934. The cubic root of 49359681 is about 366.8237515178.

The spelling of 49359681 in words is "forty-nine million, three hundred fifty-nine thousand, six hundred eighty-one".