49555423 has 4 divisors (see below), whose sum is σ = 49859608. Its totient is φ = 49251240.

The previous prime is 49555421. The next prime is 49555427. The reversal of 49555423 is 32455594.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32455594 = 2 ⋅16227797.

It is a cyclic number.

It is not a de Polignac number, because 49555423 - 2¹ = 49555421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49555421) 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 in 3 ways as a sum of consecutive naturals, for example, 151848 + ... + 152173.

It is an arithmetic number, because the mean of its divisors is an integer number (12464902).

Almost surely, 2^49555423 is an apocalyptic number.

49555423 is a deficient number, since it is larger than the sum of its proper divisors (304185).

49555423 is a wasteful number, since it uses less digits than its factorization.

49555423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304184.

The product of its digits is 108000, while the sum is 37.

The square root of 49555423 is about 7039.5612789435. The cubic root of 49555423 is about 367.3080071391.

The spelling of 49555423 in words is "forty-nine million, five hundred fifty-five thousand, four hundred twenty-three".