54939549 has 16 divisors (see below), whose sum is σ = 85760640. Its totient is φ = 30627840.

The previous prime is 54939541. The next prime is 54939553. The reversal of 54939549 is 94593945.

It is not a de Polignac number, because 54939549 - 2³ = 54939541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54939498 and 54939507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54939541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31044 + ... + 32765.

It is an arithmetic number, because the mean of its divisors is an integer number (5360040).

Almost surely, 2^54939549 is an apocalyptic number.

It is an amenable number.

54939549 is a deficient number, since it is larger than the sum of its proper divisors (30821091).

54939549 is a wasteful number, since it uses less digits than its factorization.

54939549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63860.

The product of its digits is 874800, while the sum is 48.

The square root of 54939549 is about 7412.1217610074. The cubic root of 54939549 is about 380.1558663451.

The spelling of 54939549 in words is "fifty-four million, nine hundred thirty-nine thousand, five hundred forty-nine".