50551849 has 4 divisors (see below), whose sum is σ = 51408720. Its totient is φ = 49694980.

The previous prime is 50551819. The next prime is 50551871. The reversal of 50551849 is 94815505.

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: 94815505 = 5 ⋅18963101.

It is a cyclic number.

It is not a de Polignac number, because 50551849 - 2⁵ = 50551817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50551819) 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 3 ways as a sum of consecutive naturals, for example, 428347 + ... + 428464.

It is an arithmetic number, because the mean of its divisors is an integer number (12852180).

Almost surely, 2^50551849 is an apocalyptic number.

50551849 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

50551849 is a deficient number, since it is larger than the sum of its proper divisors (856871).

50551849 is an equidigital number, since it uses as much as digits as its factorization.

50551849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856870.

The product of its (nonzero) digits is 36000, while the sum is 37.

The square root of 50551849 is about 7109.9823487826. The cubic root of 50551849 is about 369.7535466140.

The spelling of 50551849 in words is "fifty million, five hundred fifty-one thousand, eight hundred forty-nine".