55514549 has 4 divisors (see below), whose sum is σ = 56064300. Its totient is φ = 54964800.

The previous prime is 55514539. The next prime is 55514573. The reversal of 55514549 is 94541555.

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 27899524 + 27615025 = 5282^2 + 5255^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55514549 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55514539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274724 + ... + 274925.

It is an arithmetic number, because the mean of its divisors is an integer number (14016075).

Almost surely, 2^55514549 is an apocalyptic number.

It is an amenable number.

55514549 is a deficient number, since it is larger than the sum of its proper divisors (549751).

55514549 is a wasteful number, since it uses less digits than its factorization.

55514549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549750.

The product of its digits is 90000, while the sum is 38.

The square root of 55514549 is about 7450.8086138351. The cubic root of 55514549 is about 381.4775095000.

The spelling of 55514549 in words is "fifty-five million, five hundred fourteen thousand, five hundred forty-nine".