49680081 has 32 divisors (see below), whose sum is σ = 82022400. Its totient is φ = 29460240.

The previous prime is 49680061. The next prime is 49680089. The reversal of 49680081 is 18008694.

It is a happy number.

It is not a de Polignac number, because 49680081 - 2⁶ = 49680017 is a prime.

It is a super-2 number, since 2×49680081² = 4936220896333122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49680089) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12180 + ... + 15738.

It is an arithmetic number, because the mean of its divisors is an integer number (2563200).

Almost surely, 2^49680081 is an apocalyptic number.

It is an amenable number.

49680081 is a deficient number, since it is larger than the sum of its proper divisors (32342319).

49680081 is a wasteful number, since it uses less digits than its factorization.

49680081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3626 (or 3620 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 49680081 is about 7048.4098206617. The cubic root of 49680081 is about 367.6157403047.

The spelling of 49680081 in words is "forty-nine million, six hundred eighty thousand, eighty-one".