49604561 has 2 divisors, whose sum is σ = 49604562. Its totient is φ = 49604560.

The previous prime is 49604551. The next prime is 49604563. The reversal of 49604561 is 16540694.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27888961 + 21715600 = 5281^2 + 4660^2 .

It is a cyclic number.

It is not a de Polignac number, because 49604561 - 2¹⁰ = 49603537 is a prime.

It is a super-2 number, since 2×49604561² = 4921224944005442, which contains 22 as substring.

Together with 49604563, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49604563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24802280 + 24802281.

It is an arithmetic number, because the mean of its divisors is an integer number (24802281).

Almost surely, 2^49604561 is an apocalyptic number.

It is an amenable number.

49604561 is a deficient number, since it is larger than the sum of its proper divisors (1).

49604561 is an equidigital number, since it uses as much as digits as its factorization.

49604561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 49604561 is about 7043.0505464607. The cubic root of 49604561 is about 367.4293717141.

The spelling of 49604561 in words is "forty-nine million, six hundred four thousand, five hundred sixty-one".