49392681 has 16 divisors (see below), whose sum is σ = 72574656. Its totient is φ = 29687616.

The previous prime is 49392653. The next prime is 49392697. The reversal of 49392681 is 18629394.

49392681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49392681 - 2¹⁴ = 49376297 is a prime.

It is a super-2 number, since 2×49392681² = 4879273872735522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49392631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13050 + ... + 16403.

It is an arithmetic number, because the mean of its divisors is an integer number (4535916).

Almost surely, 2^49392681 is an apocalyptic number.

It is an amenable number.

49392681 is a deficient number, since it is larger than the sum of its proper divisors (23181975).

49392681 is a wasteful number, since it uses less digits than its factorization.

49392681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29512.

The product of its digits is 93312, while the sum is 42.

The square root of 49392681 is about 7027.9926721646. The cubic root of 49392681 is about 366.9054814295.

The spelling of 49392681 in words is "forty-nine million, three hundred ninety-two thousand, six hundred eighty-one".