55671265 has 16 divisors (see below), whose sum is σ = 73479168. Its totient is φ = 40234176.

The previous prime is 55671263. The next prime is 55671269. The reversal of 55671265 is 56217655.

It is a cyclic number.

It is not a de Polignac number, because 55671265 - 2¹ = 55671263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55671263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6057 + ... + 12166.

It is an arithmetic number, because the mean of its divisors is an integer number (4592448).

Almost surely, 2^55671265 is an apocalyptic number.

It is an amenable number.

55671265 is a deficient number, since it is larger than the sum of its proper divisors (17807903).

55671265 is a wasteful number, since it uses less digits than its factorization.

55671265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18288.

The product of its digits is 63000, while the sum is 37.

The square root of 55671265 is about 7461.3179130768. The cubic root of 55671265 is about 381.8361389806.

The spelling of 55671265 in words is "fifty-five million, six hundred seventy-one thousand, two hundred sixty-five".