55263547 has 4 divisors (see below), whose sum is σ = 55284376. Its totient is φ = 55242720.

The previous prime is 55263541. The next prime is 55263563. The reversal of 55263547 is 74536255.

55263547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55263547 - 2³ = 55263539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55263541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5733 + ... + 11974.

It is an arithmetic number, because the mean of its divisors is an integer number (13821094).

Almost surely, 2^55263547 is an apocalyptic number.

55263547 is a deficient number, since it is larger than the sum of its proper divisors (20829).

55263547 is a wasteful number, since it uses less digits than its factorization.

55263547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20828.

The product of its digits is 126000, while the sum is 37.

The square root of 55263547 is about 7433.9455876405. The cubic root of 55263547 is about 380.9017067435.

The spelling of 55263547 in words is "fifty-five million, two hundred sixty-three thousand, five hundred forty-seven".