50561423 has 6 divisors (see below), whose sum is σ = 55575912. Its totient is φ = 45964820.

The previous prime is 50561419. The next prime is 50561431. The reversal of 50561423 is 32416505.

It is not a de Polignac number, because 50561423 - 2² = 50561419 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 50561392 and 50561401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50561453) 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 in 5 ways as a sum of consecutive naturals, for example, 208811 + ... + 209052.

It is an arithmetic number, because the mean of its divisors is an integer number (9262652).

Almost surely, 2^50561423 is an apocalyptic number.

50561423 is a deficient number, since it is larger than the sum of its proper divisors (5014489).

50561423 is a wasteful number, since it uses less digits than its factorization.

50561423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417885 (or 417874 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 50561423 is about 7110.6555956536. The cubic root of 50561423 is about 369.7768876462.

Adding to 50561423 its reverse (32416505), we get a palindrome (82977928).

The spelling of 50561423 in words is "fifty million, five hundred sixty-one thousand, four hundred twenty-three".