49039081 has 16 divisors (see below), whose sum is σ = 60568704. Its totient is φ = 38663424.

The previous prime is 49039073. The next prime is 49039121. The reversal of 49039081 is 18093094.

It is a cyclic number.

It is not a de Polignac number, because 49039081 - 2³ = 49039073 is a prime.

It is a super-2 number, since 2×49039081² = 4809662930649122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49039031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30801 + ... + 32353.

It is an arithmetic number, because the mean of its divisors is an integer number (3785544).

Almost surely, 2^49039081 is an apocalyptic number.

It is an amenable number.

49039081 is a deficient number, since it is larger than the sum of its proper divisors (11529623).

49039081 is a wasteful number, since it uses less digits than its factorization.

49039081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 49039081 is about 7002.7909436167. The cubic root of 49039081 is about 366.0278304059.

The spelling of 49039081 in words is "forty-nine million, thirty-nine thousand, eighty-one".