56043151 has 4 divisors (see below), whose sum is σ = 56327832. Its totient is φ = 55758472.

The previous prime is 56043139. The next prime is 56043161. The reversal of 56043151 is 15134065.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56043151 - 2⁹ = 56042639 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 (56043121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142045 + ... + 142438.

It is an arithmetic number, because the mean of its divisors is an integer number (14081958).

Almost surely, 2^56043151 is an apocalyptic number.

56043151 is a deficient number, since it is larger than the sum of its proper divisors (284681).

56043151 is a wasteful number, since it uses less digits than its factorization.

56043151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284680.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 56043151 is about 7486.1973658193. The cubic root of 56043151 is about 382.6844790554.

The spelling of 56043151 in words is "fifty-six million, forty-three thousand, one hundred fifty-one".