56147273 has 16 divisors (see below), whose sum is σ = 70143360. Its totient is φ = 43756416.

The previous prime is 56147269. The next prime is 56147279. The reversal of 56147273 is 37274165.

It is a cyclic number.

It is not a de Polignac number, because 56147273 - 2² = 56147269 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56147279) 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, 1493 + ... + 10701.

It is an arithmetic number, because the mean of its divisors is an integer number (4383960).

Almost surely, 2^56147273 is an apocalyptic number.

It is an amenable number.

56147273 is a deficient number, since it is larger than the sum of its proper divisors (13996087).

56147273 is a wasteful number, since it uses less digits than its factorization.

56147273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9296.

The product of its digits is 35280, while the sum is 35.

The square root of 56147273 is about 7493.1484037086. The cubic root of 56147273 is about 382.9213276363.

The spelling of 56147273 in words is "fifty-six million, one hundred forty-seven thousand, two hundred seventy-three".