56461143 has 8 divisors (see below), whose sum is σ = 75398400. Its totient is φ = 37582328.

The previous prime is 56461127. The next prime is 56461151. The reversal of 56461143 is 34116465.

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 56461143 - 2⁴ = 56461127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56461143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56461183) 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, 12303 + ... + 16256.

It is an arithmetic number, because the mean of its divisors is an integer number (9424800).

Almost surely, 2^56461143 is an apocalyptic number.

56461143 is a deficient number, since it is larger than the sum of its proper divisors (18937257).

56461143 is a wasteful number, since it uses less digits than its factorization.

56461143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29221.

The product of its digits is 8640, while the sum is 30.

The square root of 56461143 is about 7514.0630154398. The cubic root of 56461143 is about 383.6335275908.

The spelling of 56461143 in words is "fifty-six million, four hundred sixty-one thousand, one hundred forty-three".