50722253 has 4 divisors (see below), whose sum is σ = 50934720. Its totient is φ = 50509788.

The previous prime is 50722249. The next prime is 50722261. The reversal of 50722253 is 35222705.

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.

It is a cyclic number.

It is not a de Polignac number, because 50722253 - 2² = 50722249 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 (50722753) 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, 105875 + ... + 106352.

It is an arithmetic number, because the mean of its divisors is an integer number (12733680).

Almost surely, 2^50722253 is an apocalyptic number.

It is an amenable number.

50722253 is a deficient number, since it is larger than the sum of its proper divisors (212467).

50722253 is a wasteful number, since it uses less digits than its factorization.

50722253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212466.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 50722253 is about 7121.9557005081. The cubic root of 50722253 is about 370.1685450766.

Adding to 50722253 its reverse (35222705), we get a palindrome (85944958).

The spelling of 50722253 in words is "fifty million, seven hundred twenty-two thousand, two hundred fifty-three".