50551065 has 48 divisors (see below), whose sum is σ = 91208208. Its totient is φ = 25878528.

The previous prime is 50551043. The next prime is 50551069. The reversal of 50551065 is 56015505.

50551065 is a `hidden beast` number, since 50 + 551 + 0 + 65 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 2442969 + 48108096 = 1563^2 + 6936^2 .

It is not a de Polignac number, because 50551065 - 2¹⁵ = 50518297 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50551069) 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 47 ways as a sum of consecutive naturals, for example, 161349 + ... + 161661.

It is an arithmetic number, because the mean of its divisors is an integer number (1900171).

Almost surely, 2^50551065 is an apocalyptic number.

It is an amenable number.

50551065 is a deficient number, since it is larger than the sum of its proper divisors (40657143).

50551065 is a wasteful number, since it uses less digits than its factorization.

50551065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458 (or 455 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 50551065 is about 7109.9272148173. The cubic root of 50551065 is about 369.7516351226.

The spelling of 50551065 in words is "fifty million, five hundred fifty-one thousand, sixty-five".