54547940 has 24 divisors (see below), whose sum is σ = 115036152. Its totient is φ = 21726720.

The previous prime is 54547939. The next prime is 54547943. The reversal of 54547940 is 4974545.

It can be written as a sum of positive squares in 4 ways, for example, as 25989604 + 28558336 = 5098^2 + 5344^2 .

It is a junction number, because it is equal to n+sod(n) for n = 54547894 and 54547903.

It is not an unprimeable number, because it can be changed into a prime (54547943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 839 + ... + 10478.

It is an arithmetic number, because the mean of its divisors is an integer number (4793173).

Almost surely, 2^54547940 is an apocalyptic number.

It is an amenable number.

54547940 is an abundant number, since it is smaller than the sum of its proper divisors (60488212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54547940 is a wasteful number, since it uses less digits than its factorization.

54547940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11567 (or 11565 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 54547940 is about 7385.6577229113. The cubic root of 54547940 is about 379.2504615886.

The spelling of 54547940 in words is "fifty-four million, five hundred forty-seven thousand, nine hundred forty".