50521207 has 8 divisors (see below), whose sum is σ = 55377792. Its totient is φ = 45708600.

The previous prime is 50521181. The next prime is 50521223. The reversal of 50521207 is 70212505.

50521207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50521207 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 (50521267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8563 + ... + 13204.

It is an arithmetic number, because the mean of its divisors is an integer number (6922224).

Almost surely, 2^50521207 is an apocalyptic number.

50521207 is a deficient number, since it is larger than the sum of its proper divisors (4856585).

50521207 is a wasteful number, since it uses less digits than its factorization.

50521207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21989.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 50521207 is about 7107.8271644716. The cubic root of 50521207 is about 369.6788228179.

It can be divided in two parts, 505 and 21207, that added together give a palindrome (21712).

The spelling of 50521207 in words is "fifty million, five hundred twenty-one thousand, two hundred seven".