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50550413 = 431175591
BaseRepresentation
bin1100000011010…
…1011010001101
310112010020010112
43000311122031
5100420103123
65003245405
71152446204
oct300653215
9115106115
1050550413
1126597301
1214b19865
13a61bab4
1469dc23b
154687d78
hex303568d

50550413 has 4 divisors (see below), whose sum is σ = 51726048. Its totient is φ = 49374780.

The previous prime is 50550391. The next prime is 50550449. The reversal of 50550413 is 31405505.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31405505 = 56281101.

It is a cyclic number.

It is not a de Polignac number, because 50550413 - 216 = 50484877 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 (50550463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587753 + ... + 587838.

It is an arithmetic number, because the mean of its divisors is an integer number (12931512).

Almost surely, 250550413 is an apocalyptic number.

It is an amenable number.

50550413 is a deficient number, since it is larger than the sum of its proper divisors (1175635).

50550413 is a wasteful number, since it uses less digits than its factorization.

50550413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175634.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 50550413 is about 7109.8813632859. The cubic root of 50550413 is about 369.7500454488.

Adding to 50550413 its reverse (31405505), we get a palindrome (81955918).

The spelling of 50550413 in words is "fifty million, five hundred fifty thousand, four hundred thirteen".

Divisors: 1 43 1175591 50550413