56155043 has 8 divisors (see below), whose sum is σ = 66247680. Its totient is φ = 46580040.

The previous prime is 56155039. The next prime is 56155103. The reversal of 56155043 is 34055165.

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 56155043 - 2² = 56155039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56154997 and 56155015.

It is not an unprimeable number, because it can be changed into a prime (56155003) 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, 129173 + ... + 129606.

It is an arithmetic number, because the mean of its divisors is an integer number (8280960).

Almost surely, 2^56155043 is an apocalyptic number.

56155043 is a deficient number, since it is larger than the sum of its proper divisors (10092637).

56155043 is a wasteful number, since it uses less digits than its factorization.

56155043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258817.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 56155043 is about 7493.6668594220. Note that the first 3 decimals coincide. The cubic root of 56155043 is about 382.9389904798.

The spelling of 56155043 in words is "fifty-six million, one hundred fifty-five thousand, forty-three".