49129057 has 2 divisors, whose sum is σ = 49129058. Its totient is φ = 49129056.

The previous prime is 49129049. The next prime is 49129097. The reversal of 49129057 is 75092194.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42823936 + 6305121 = 6544^2 + 2511^2 .

It is a cyclic number.

It is not a de Polignac number, because 49129057 - 2³ = 49129049 is a prime.

It is not a weakly prime, because it can be changed into another prime (49129037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24564528 + 24564529.

It is an arithmetic number, because the mean of its divisors is an integer number (24564529).

Almost surely, 2^49129057 is an apocalyptic number.

It is an amenable number.

49129057 is a deficient number, since it is larger than the sum of its proper divisors (1).

49129057 is an equidigital number, since it uses as much as digits as its factorization.

49129057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 49129057 is about 7009.2122952583. The cubic root of 49129057 is about 366.2515540010.

The spelling of 49129057 in words is "forty-nine million, one hundred twenty-nine thousand, fifty-seven".