49522321 has 2 divisors, whose sum is σ = 49522322. Its totient is φ = 49522320.

The previous prime is 49522307. The next prime is 49522351. The reversal of 49522321 is 12322594.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45158400 + 4363921 = 6720^2 + 2089^2 .

It is a cyclic number.

It is not a de Polignac number, because 49522321 - 2²³ = 41133713 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49522321.

It is not a weakly prime, because it can be changed into another prime (49522351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24761160 + 24761161.

It is an arithmetic number, because the mean of its divisors is an integer number (24761161).

Almost surely, 2^49522321 is an apocalyptic number.

It is an amenable number.

49522321 is a deficient number, since it is larger than the sum of its proper divisors (1).

49522321 is an equidigital number, since it uses as much as digits as its factorization.

49522321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 28.

The square root of 49522321 is about 7037.2097453465. The cubic root of 49522321 is about 367.2262041990.

The spelling of 49522321 in words is "forty-nine million, five hundred twenty-two thousand, three hundred twenty-one".