49620561 has 16 divisors (see below), whose sum is σ = 67651200. Its totient is φ = 32339840.

The previous prime is 49620539. The next prime is 49620583. The reversal of 49620561 is 16502694.

49620561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (49620539) and next prime (49620583).

It is a cyclic number.

It is not a de Polignac number, because 49620561 - 2⁶ = 49620497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49620521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82540 + ... + 83138.

It is an arithmetic number, because the mean of its divisors is an integer number (4228200).

Almost surely, 2^49620561 is an apocalyptic number.

It is an amenable number.

49620561 is a deficient number, since it is larger than the sum of its proper divisors (18030639).

49620561 is a wasteful number, since it uses less digits than its factorization.

49620561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 49620561 is about 7044.1863263261. The cubic root of 49620561 is about 367.4688723693.

The spelling of 49620561 in words is "forty-nine million, six hundred twenty thousand, five hundred sixty-one".