54921044 has 6 divisors (see below), whose sum is σ = 96111834. Its totient is φ = 27460520.

The previous prime is 54921029. The next prime is 54921047. The reversal of 54921044 is 44012945.

It can be written as a sum of positive squares in only one way, i.e., 48469444 + 6451600 = 6962^2 + 2540^2 .

It is a junction number, because it is equal to n+sod(n) for n = 54920998 and 54921016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54921047) 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 as a sum of consecutive naturals, namely, 6865127 + ... + 6865134.

It is an arithmetic number, because the mean of its divisors is an integer number (16018639).

Almost surely, 2^54921044 is an apocalyptic number.

It is an amenable number.

54921044 is a deficient number, since it is larger than the sum of its proper divisors (41190790).

54921044 is a wasteful number, since it uses less digits than its factorization.

54921044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13730265 (or 13730263 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 54921044 is about 7410.8733628365. The cubic root of 54921044 is about 380.1131795835.

Adding to 54921044 its reverse (44012945), we get a palindrome (98933989).

The spelling of 54921044 in words is "fifty-four million, nine hundred twenty-one thousand, forty-four".