56145117 has 8 divisors (see below), whose sum is σ = 85554496. Its totient is φ = 32082912.

The previous prime is 56145107. The next prime is 56145121. The reversal of 56145117 is 71154165.

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

It is not a de Polignac number, because 56145117 - 2⁶ = 56145053 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 (56145107) 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, 1336768 + ... + 1336809.

It is an arithmetic number, because the mean of its divisors is an integer number (10694312).

Almost surely, 2^56145117 is an apocalyptic number.

It is an amenable number.

56145117 is a deficient number, since it is larger than the sum of its proper divisors (29409379).

56145117 is a wasteful number, since it uses less digits than its factorization.

56145117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2673587.

The product of its digits is 4200, while the sum is 30.

The square root of 56145117 is about 7493.0045375670. The cubic root of 56145117 is about 382.9164263063.

It can be divided in two parts, 5614 and 5117, that added together give a triangular number (10731 = T₁₄₆).

The spelling of 56145117 in words is "fifty-six million, one hundred forty-five thousand, one hundred seventeen".