49328621 has 2 divisors, whose sum is σ = 49328622. Its totient is φ = 49328620.

The previous prime is 49328597. The next prime is 49328633. The reversal of 49328621 is 12682394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47803396 + 1525225 = 6914^2 + 1235^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49328621 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49328221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24664310 + 24664311.

It is an arithmetic number, because the mean of its divisors is an integer number (24664311).

Almost surely, 2^49328621 is an apocalyptic number.

It is an amenable number.

49328621 is a deficient number, since it is larger than the sum of its proper divisors (1).

49328621 is an equidigital number, since it uses as much as digits as its factorization.

49328621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 35.

The square root of 49328621 is about 7023.4337043927. The cubic root of 49328621 is about 366.7467930491.

The spelling of 49328621 in words is "forty-nine million, three hundred twenty-eight thousand, six hundred twenty-one".