49654561 has 4 divisors (see below), whose sum is σ = 54168624. Its totient is φ = 45140500.

The previous prime is 49654559. The next prime is 49654589. The reversal of 49654561 is 16545694.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49654561 - 2¹ = 49654559 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49654511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2257015 + ... + 2257036.

It is an arithmetic number, because the mean of its divisors is an integer number (13542156).

Almost surely, 2^49654561 is an apocalyptic number.

It is an amenable number.

49654561 is a deficient number, since it is larger than the sum of its proper divisors (4514063).

49654561 is a wasteful number, since it uses less digits than its factorization.

49654561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4514062.

The product of its digits is 129600, while the sum is 40.

The square root of 49654561 is about 7046.5992507024. The cubic root of 49654561 is about 367.5527830768.

The spelling of 49654561 in words is "forty-nine million, six hundred fifty-four thousand, five hundred sixty-one".