56143255 has 8 divisors (see below), whose sum is σ = 76996512. Its totient is φ = 38498208.

The previous prime is 56143249. The next prime is 56143261. The reversal of 56143255 is 55234165.

It is an interprime number because it is at equal distance from previous prime (56143249) and next prime (56143261).

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

It is not a de Polignac number, because 56143255 - 2⁵ = 56143223 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 802012 + ... + 802081.

It is an arithmetic number, because the mean of its divisors is an integer number (9624564).

Almost surely, 2^56143255 is an apocalyptic number.

56143255 is a deficient number, since it is larger than the sum of its proper divisors (20853257).

56143255 is a wasteful number, since it uses less digits than its factorization.

56143255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604105.

The product of its digits is 18000, while the sum is 31.

The square root of 56143255 is about 7492.8802873128. The cubic root of 56143255 is about 382.9121932384.

The spelling of 56143255 in words is "fifty-six million, one hundred forty-three thousand, two hundred fifty-five".