49172537 has 2 divisors, whose sum is σ = 49172538. Its totient is φ = 49172536.

The previous prime is 49172531. The next prime is 49172549. The reversal of 49172537 is 73527194.

49172537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38700841 + 10471696 = 6221^2 + 3236^2 .

It is a cyclic number.

It is not a de Polignac number, because 49172537 - 2⁸ = 49172281 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49172537.

It is not a weakly prime, because it can be changed into another prime (49172531) 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 as a sum of consecutive naturals, namely, 24586268 + 24586269.

It is an arithmetic number, because the mean of its divisors is an integer number (24586269).

Almost surely, 2^49172537 is an apocalyptic number.

It is an amenable number.

49172537 is a deficient number, since it is larger than the sum of its proper divisors (1).

49172537 is an equidigital number, since it uses as much as digits as its factorization.

49172537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 38.

The square root of 49172537 is about 7012.3132417199. The cubic root of 49172537 is about 366.3595683005.

The spelling of 49172537 in words is "forty-nine million, one hundred seventy-two thousand, five hundred thirty-seven".