56271646 has 16 divisors (see below), whose sum is σ = 86088240. Its totient is φ = 27578880.

The previous prime is 56271641. The next prime is 56271653. The reversal of 56271646 is 64617265.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56271641) 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, 45630 + ... + 46846.

It is an arithmetic number, because the mean of its divisors is an integer number (5380515).

Almost surely, 2^56271646 is an apocalyptic number.

56271646 is a deficient number, since it is larger than the sum of its proper divisors (29816594).

56271646 is a wasteful number, since it uses less digits than its factorization.

56271646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659.

The product of its digits is 60480, while the sum is 37.

The square root of 56271646 is about 7501.4429278639. The cubic root of 56271646 is about 383.2038581426.

The spelling of 56271646 in words is "fifty-six million, two hundred seventy-one thousand, six hundred forty-six".