49553783 has 2 divisors, whose sum is σ = 49553784. Its totient is φ = 49553782.

The previous prime is 49553773. The next prime is 49553797. The reversal of 49553783 is 38735594.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49553783 - 2⁶ = 49553719 is a prime.

It is a super-2 number, since 2×49553783² = 4911154819222178, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49553723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24776891 + 24776892.

It is an arithmetic number, because the mean of its divisors is an integer number (24776892).

Almost surely, 2^49553783 is an apocalyptic number.

49553783 is a deficient number, since it is larger than the sum of its proper divisors (1).

49553783 is an equidigital number, since it uses as much as digits as its factorization.

49553783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 453600, while the sum is 44.

The square root of 49553783 is about 7039.4447934478. Note that the first 3 decimals coincide. The cubic root of 49553783 is about 367.3039551656.

The spelling of 49553783 in words is "forty-nine million, five hundred fifty-three thousand, seven hundred eighty-three".