49557480073 has 2 divisors, whose sum is σ = 49557480074. Its totient is φ = 49557480072.

The previous prime is 49557480031. The next prime is 49557480139. The reversal of 49557480073 is 37008475594.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43152999289 + 6404480784 = 207733^2 + 80028^2 .

It is a cyclic number.

It is not a de Polignac number, because 49557480073 - 2¹³ = 49557471881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49557480073.

It is not a weakly prime, because it can be changed into another prime (49557480373) 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, 24778740036 + 24778740037.

It is an arithmetic number, because the mean of its divisors is an integer number (24778740037).

Almost surely, 2^49557480073 is an apocalyptic number.

It is an amenable number.

49557480073 is a deficient number, since it is larger than the sum of its proper divisors (1).

49557480073 is an equidigital number, since it uses as much as digits as its factorization.

49557480073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 49557480073 in words is "forty-nine billion, five hundred fifty-seven million, four hundred eighty thousand, seventy-three".