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56052361 = 211421631

56052361 has 8 divisors (see below), whose sum is σ = 56541248. Its totient is φ = 55566000.

The previous prime is 56052343. The next prime is 56052379. The reversal of 56052361 is 16325065.

56052361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56052343) and next prime (56052379).

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

It is a 3-Lehmer number, since φ(56052361) divides (56052361-1)3.

It is a cyclic number.

It is a Carmichael number.

It is not a de Polignac number, because 56052361 - 27 = 56052233 is a prime.

It is a deceptive number, since it divides R56052360.

It is not an unprimeable number, because it can be changed into a prime (56052391) by changing a digit.

It is a Zeisel number, with parameters (1, 210).

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88516 + ... + 89146.

It is an arithmetic number, because the mean of its divisors is an integer number (7067656).

It is a Poulet number, since it divides 256052360-1.

Almost surely, 256052361 is an apocalyptic number.

It is an amenable number.

56052361 is a deficient number, since it is larger than the sum of its proper divisors (488887).

56052361 is a wasteful number, since it uses less digits than its factorization.

56052361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 56052361 is about 7486.8124726081. The cubic root of 56052361 is about 382.7054410638.

The spelling of 56052361 in words is "fifty-six million, fifty-two thousand, three hundred sixty-one".

Divisors: 1 211 421 631 88831 133141 265651 56052361