50722553 has 4 divisors (see below), whose sum is σ = 57968640. Its totient is φ = 43476468.

The previous prime is 50722549. The next prime is 50722559. The reversal of 50722553 is 35522705.

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 not a de Polignac number, because 50722553 - 2² = 50722549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50722559) 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, 3623033 + ... + 3623046.

It is an arithmetic number, because the mean of its divisors is an integer number (14492160).

Almost surely, 2^50722553 is an apocalyptic number.

It is an amenable number.

50722553 is a deficient number, since it is larger than the sum of its proper divisors (7246087).

50722553 is an equidigital number, since it uses as much as digits as its factorization.

50722553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7246086.

The product of its (nonzero) digits is 10500, while the sum is 29.

The square root of 50722553 is about 7121.9767621076. The cubic root of 50722553 is about 370.1692748703.

The spelling of 50722553 in words is "fifty million, seven hundred twenty-two thousand, five hundred fifty-three".