54508961 has 4 divisors (see below), whose sum is σ = 58701972. Its totient is φ = 50315952.

The previous prime is 54508957. The next prime is 54508997. The reversal of 54508961 is 16980545.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6345361 + 48163600 = 2519^2 + 6940^2 .

It is a cyclic number.

It is not a de Polignac number, because 54508961 - 2² = 54508957 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54508921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2096486 + ... + 2096511.

It is an arithmetic number, because the mean of its divisors is an integer number (14675493).

Almost surely, 2^54508961 is an apocalyptic number.

It is an amenable number.

54508961 is a deficient number, since it is larger than the sum of its proper divisors (4193011).

54508961 is a wasteful number, since it uses less digits than its factorization.

54508961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4193010.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 54508961 is about 7383.0184206732. The cubic root of 54508961 is about 379.1601048228.

The spelling of 54508961 in words is "fifty-four million, five hundred eight thousand, nine hundred sixty-one".