55612271 has 8 divisors (see below), whose sum is σ = 65334864. Its totient is φ = 46667520.

The previous prime is 55612267. The next prime is 55612283. The reversal of 55612271 is 17221655.

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 55612271 - 2² = 55612267 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55612231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194306 + ... + 194591.

It is an arithmetic number, because the mean of its divisors is an integer number (8166858).

Almost surely, 2^55612271 is an apocalyptic number.

55612271 is a deficient number, since it is larger than the sum of its proper divisors (9722593).

55612271 is a wasteful number, since it uses less digits than its factorization.

55612271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388921.

The product of its digits is 4200, while the sum is 29.

The square root of 55612271 is about 7457.3635421642. The cubic root of 55612271 is about 381.7012159779.

The spelling of 55612271 in words is "fifty-five million, six hundred twelve thousand, two hundred seventy-one".