55992271 has 8 divisors (see below), whose sum is σ = 59445360. Its totient is φ = 52556928.

The previous prime is 55992269. The next prime is 55992283. The reversal of 55992271 is 17229955.

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

It is not a de Polignac number, because 55992271 - 2¹ = 55992269 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 (55996271) 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, 2380 + ... + 10846.

It is an arithmetic number, because the mean of its divisors is an integer number (7430670).

Almost surely, 2^55992271 is an apocalyptic number.

55992271 is a deficient number, since it is larger than the sum of its proper divisors (3453089).

55992271 is a wasteful number, since it uses less digits than its factorization.

55992271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8873.

The product of its digits is 56700, while the sum is 40.

The square root of 55992271 is about 7482.7983401933. The cubic root of 55992271 is about 382.5686345005.

The spelling of 55992271 in words is "fifty-five million, nine hundred ninety-two thousand, two hundred seventy-one".