49606581 has 8 divisors (see below), whose sum is σ = 66663424. Its totient is φ = 32810400.

The previous prime is 49606577. The next prime is 49606589. The reversal of 49606581 is 18560694.

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

It is not a de Polignac number, because 49606581 - 2² = 49606577 is a prime.

It is a super-2 number, since 2×49606581² = 4921625757019122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49606589) 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, 64720 + ... + 65481.

It is an arithmetic number, because the mean of its divisors is an integer number (8332928).

Almost surely, 2^49606581 is an apocalyptic number.

It is an amenable number.

49606581 is a deficient number, since it is larger than the sum of its proper divisors (17056843).

49606581 is a wasteful number, since it uses less digits than its factorization.

49606581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130331.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 49606581 is about 7043.1939487707. The cubic root of 49606581 is about 367.4343591403.

The spelling of 49606581 in words is "forty-nine million, six hundred six thousand, five hundred eighty-one".