49662081 has 12 divisors (see below), whose sum is σ = 81981952. Its totient is φ = 28378296.

The previous prime is 49662077. The next prime is 49662091. The reversal of 49662081 is 18026694.

It is not a de Polignac number, because 49662081 - 2² = 49662077 is a prime.

It is a super-2 number, since 2×49662081² = 4932644578501122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49662001) 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, 394081 + ... + 394206.

Almost surely, 2^49662081 is an apocalyptic number.

It is an amenable number.

49662081 is a deficient number, since it is larger than the sum of its proper divisors (32319871).

49662081 is a wasteful number, since it uses less digits than its factorization.

49662081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788300 (or 788297 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 49662081 is about 7047.1328212259. The cubic root of 49662081 is about 367.5713369776.

The spelling of 49662081 in words is "forty-nine million, six hundred sixty-two thousand, eighty-one".