49554561 has 16 divisors (see below), whose sum is σ = 76208000. Its totient is φ = 28055808.

The previous prime is 49554553. The next prime is 49554563. The reversal of 49554561 is 16545594.

It is not a de Polignac number, because 49554561 - 2³ = 49554553 is a prime.

It is the 7040-th Hogben number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49554563) by changing a digit.

It is a nontrivial repunit in base 7039.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8536 + ... + 13113.

It is an arithmetic number, because the mean of its divisors is an integer number (4763000).

Almost surely, 2^49554561 is an apocalyptic number.

It is an amenable number.

49554561 is a deficient number, since it is larger than the sum of its proper divisors (26653439).

49554561 is a wasteful number, since it uses less digits than its factorization.

49554561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21768.

The product of its digits is 108000, while the sum is 39.

The square root of 49554561 is about 7039.5000532708. The cubic root of 49554561 is about 367.3058773935.

The spelling of 49554561 in words is "forty-nine million, five hundred fifty-four thousand, five hundred sixty-one".