49005681 has 8 divisors (see below), whose sum is σ = 66860640. Its totient is φ = 31910592.

The previous prime is 49005673. The next prime is 49005689. The reversal of 49005681 is 18650094.

It is an interprime number because it is at equal distance from previous prime (49005673) and next prime (49005689).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49005681 - 2³ = 49005673 is a prime.

It is a super-2 number, since 2×49005681² = 4803113540547522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49005689) 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, 189816 + ... + 190073.

It is an arithmetic number, because the mean of its divisors is an integer number (8357580).

Almost surely, 2^49005681 is an apocalyptic number.

It is an amenable number.

49005681 is a deficient number, since it is larger than the sum of its proper divisors (17854959).

49005681 is a wasteful number, since it uses less digits than its factorization.

49005681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379935.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 49005681 is about 7000.4057739534. The cubic root of 49005681 is about 365.9447123032.

The spelling of 49005681 in words is "forty-nine million, five thousand, six hundred eighty-one".