55272665 has 8 divisors (see below), whose sum is σ = 75802560. Its totient is φ = 37901232.

The previous prime is 55272647. The next prime is 55272677. The reversal of 55272665 is 56627255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55272665 - 2⁶ = 55272601 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 789575 + ... + 789644.

It is an arithmetic number, because the mean of its divisors is an integer number (9475320).

Almost surely, 2^55272665 is an apocalyptic number.

It is an amenable number.

55272665 is a deficient number, since it is larger than the sum of its proper divisors (20529895).

55272665 is a wasteful number, since it uses less digits than its factorization.

55272665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579231.

The product of its digits is 126000, while the sum is 38.

The square root of 55272665 is about 7434.5588302199. The cubic root of 55272665 is about 380.9226540705.

It can be divided in two parts, 5527 and 2665, that added together give a 13-th power (8192 = 2¹³).

The spelling of 55272665 in words is "fifty-five million, two hundred seventy-two thousand, six hundred sixty-five".