49961641 has 2 divisors, whose sum is σ = 49961642. Its totient is φ = 49961640.

The previous prime is 49961633. The next prime is 49961651. The reversal of 49961641 is 14616994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46294416 + 3667225 = 6804^2 + 1915^2 .

It is a cyclic number.

It is not a de Polignac number, because 49961641 - 2³ = 49961633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49961594 and 49961603.

It is not a weakly prime, because it can be changed into another prime (49961651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24980820 + 24980821.

It is an arithmetic number, because the mean of its divisors is an integer number (24980821).

Almost surely, 2^49961641 is an apocalyptic number.

It is an amenable number.

49961641 is a deficient number, since it is larger than the sum of its proper divisors (1).

49961641 is an equidigital number, since it uses as much as digits as its factorization.

49961641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 40.

The square root of 49961641 is about 7068.3549005409. The cubic root of 49961641 is about 368.3089152521.

The spelling of 49961641 in words is "forty-nine million, nine hundred sixty-one thousand, six hundred forty-one".