55604549 has 24 divisors (see below), whose sum is σ = 75085632. Its totient is φ = 39985920.

The previous prime is 55604543. The next prime is 55604557. The reversal of 55604549 is 94540655.

It is not a de Polignac number, because 55604549 - 2¹⁶ = 55539013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55604543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10877 + ... + 15149.

It is an arithmetic number, because the mean of its divisors is an integer number (3128568).

Almost surely, 2^55604549 is an apocalyptic number.

It is an amenable number.

55604549 is a deficient number, since it is larger than the sum of its proper divisors (19481083).

55604549 is a wasteful number, since it uses less digits than its factorization.

55604549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4317 (or 4304 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 55604549 is about 7456.8457808915. The cubic root of 55604549 is about 381.6835482152.

The spelling of 55604549 in words is "fifty-five million, six hundred four thousand, five hundred forty-nine".