55467447 has 16 divisors (see below), whose sum is σ = 89494272. Its totient is φ = 29831040.

The previous prime is 55467443. The next prime is 55467449. The reversal of 55467447 is 74476455.

It is not a de Polignac number, because 55467447 - 2² = 55467443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55467399 and 55467408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55467443) 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 15 ways as a sum of consecutive naturals, for example, 77329 + ... + 78042.

It is an arithmetic number, because the mean of its divisors is an integer number (5593392).

Almost surely, 2^55467447 is an apocalyptic number.

55467447 is a deficient number, since it is larger than the sum of its proper divisors (34026825).

55467447 is a wasteful number, since it uses less digits than its factorization.

55467447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155398.

The product of its digits is 470400, while the sum is 42.

The square root of 55467447 is about 7447.6470781046. The cubic root of 55467447 is about 381.3695892149.

The spelling of 55467447 in words is "fifty-five million, four hundred sixty-seven thousand, four hundred forty-seven".