55547371 has 4 divisors (see below), whose sum is σ = 60597144. Its totient is φ = 50497600.

The previous prime is 55547363. The next prime is 55547411. The reversal of 55547371 is 17374555.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55547371 - 2³ = 55547363 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55547371.

It is not an unprimeable number, because it can be changed into a prime (55547771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2524870 + ... + 2524891.

It is an arithmetic number, because the mean of its divisors is an integer number (15149286).

Almost surely, 2^55547371 is an apocalyptic number.

55547371 is a deficient number, since it is larger than the sum of its proper divisors (5049773).

55547371 is a wasteful number, since it uses less digits than its factorization.

55547371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5049772.

The product of its digits is 73500, while the sum is 37.

The square root of 55547371 is about 7453.0108680989. The cubic root of 55547371 is about 381.5526753096.

The spelling of 55547371 in words is "fifty-five million, five hundred forty-seven thousand, three hundred seventy-one".