49213057 has 2 divisors, whose sum is σ = 49213058. Its totient is φ = 49213056.

The previous prime is 49213049. The next prime is 49213067. The reversal of 49213057 is 75031294.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42458256 + 6754801 = 6516^2 + 2599^2 .

It is a cyclic number.

It is not a de Polignac number, because 49213057 - 2³ = 49213049 is a prime.

It is not a weakly prime, because it can be changed into another prime (49213037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24606528 + 24606529.

It is an arithmetic number, because the mean of its divisors is an integer number (24606529).

Almost surely, 2^49213057 is an apocalyptic number.

It is an amenable number.

49213057 is a deficient number, since it is larger than the sum of its proper divisors (1).

49213057 is an equidigital number, since it uses as much as digits as its factorization.

49213057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 49213057 is about 7015.2018502677. The cubic root of 49213057 is about 366.4601719769.

The spelling of 49213057 in words is "forty-nine million, two hundred thirteen thousand, fifty-seven".