49501609 has 2 divisors, whose sum is σ = 49501610. Its totient is φ = 49501608.

The previous prime is 49501591. The next prime is 49501619. The reversal of 49501609 is 90610594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28387584 + 21114025 = 5328^2 + 4595^2 .

It is a cyclic number.

It is not a de Polignac number, because 49501609 - 2¹⁹ = 48977321 is a prime.

It is not a weakly prime, because it can be changed into another prime (49501619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24750804 + 24750805.

It is an arithmetic number, because the mean of its divisors is an integer number (24750805).

Almost surely, 2^49501609 is an apocalyptic number.

It is an amenable number.

49501609 is a deficient number, since it is larger than the sum of its proper divisors (1).

49501609 is an equidigital number, since it uses as much as digits as its factorization.

49501609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 49501609 is about 7035.7379854568. The cubic root of 49501609 is about 367.1750013636.

The spelling of 49501609 in words is "forty-nine million, five hundred one thousand, six hundred nine".