49554981 has 12 divisors (see below), whose sum is σ = 81805152. Its totient is φ = 28317096.

The previous prime is 49554979. The next prime is 49554991. The reversal of 49554981 is 18945594.

49554981 is a `hidden beast` number, since 4 + 9 + 554 + 98 + 1 = 666.

It is not a de Polignac number, because 49554981 - 2¹ = 49554979 is a prime.

It is a super-2 number, since 2×49554981² = 4911392283820722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49554931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 393231 + ... + 393356.

It is an arithmetic number, because the mean of its divisors is an integer number (6817096).

Almost surely, 2^49554981 is an apocalyptic number.

It is an amenable number.

49554981 is a deficient number, since it is larger than the sum of its proper divisors (32250171).

49554981 is a wasteful number, since it uses less digits than its factorization.

49554981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786600 (or 786597 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 49554981 is about 7039.5298848716. The cubic root of 49554981 is about 367.3069150916.

The spelling of 49554981 in words is "forty-nine million, five hundred fifty-four thousand, nine hundred eighty-one".