49975553 has 2 divisors, whose sum is σ = 49975554. Its totient is φ = 49975552.

The previous prime is 49975517. The next prime is 49975571. The reversal of 49975553 is 35557994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44249104 + 5726449 = 6652^2 + 2393^2 .

It is a cyclic number.

It is not a de Polignac number, because 49975553 - 2⁶ = 49975489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49975498 and 49975507.

It is not a weakly prime, because it can be changed into another prime (49975153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24987776 + 24987777.

It is an arithmetic number, because the mean of its divisors is an integer number (24987777).

Almost surely, 2^49975553 is an apocalyptic number.

It is an amenable number.

49975553 is a deficient number, since it is larger than the sum of its proper divisors (1).

49975553 is an equidigital number, since it uses as much as digits as its factorization.

49975553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 850500, while the sum is 47.

The square root of 49975553 is about 7069.3389365626. The cubic root of 49975553 is about 368.3430977303.

The spelling of 49975553 in words is "forty-nine million, nine hundred seventy-five thousand, five hundred fifty-three".