49751657 has 2 divisors, whose sum is σ = 49751658. Its totient is φ = 49751656.

The previous prime is 49751629. The next prime is 49751659. The reversal of 49751657 is 75615794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46526041 + 3225616 = 6821^2 + 1796^2 .

It is a cyclic number.

It is not a de Polignac number, because 49751657 - 2¹⁸ = 49489513 is a prime.

Together with 49751659, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49751659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24875828 + 24875829.

It is an arithmetic number, because the mean of its divisors is an integer number (24875829).

Almost surely, 2^49751657 is an apocalyptic number.

It is an amenable number.

49751657 is a deficient number, since it is larger than the sum of its proper divisors (1).

49751657 is an equidigital number, since it uses as much as digits as its factorization.

49751657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 264600, while the sum is 44.

The square root of 49751657 is about 7053.4854504706. The cubic root of 49751657 is about 367.7922016237.

The spelling of 49751657 in words is "forty-nine million, seven hundred fifty-one thousand, six hundred fifty-seven".