49542931 has 2 divisors, whose sum is σ = 49542932. Its totient is φ = 49542930.

The previous prime is 49542901. The next prime is 49542953. The reversal of 49542931 is 13924594.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49542931 - 2¹⁹ = 49018643 is a prime.

It is a super-2 number, since 2×49542931² = 4909004024141522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49542901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24771465 + 24771466.

It is an arithmetic number, because the mean of its divisors is an integer number (24771466).

Almost surely, 2^49542931 is an apocalyptic number.

49542931 is a deficient number, since it is larger than the sum of its proper divisors (1).

49542931 is an equidigital number, since it uses as much as digits as its factorization.

49542931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 37.

The square root of 49542931 is about 7038.6739518179. The cubic root of 49542931 is about 367.2771407075.

The spelling of 49542931 in words is "forty-nine million, five hundred forty-two thousand, nine hundred thirty-one".