56081237 has 8 divisors (see below), whose sum is σ = 56751840. Its totient is φ = 55414960.

The previous prime is 56081227. The next prime is 56081239. The reversal of 56081237 is 73218065.

It is a happy number.

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 56081237 - 2⁶ = 56081173 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 (56081239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30062 + ... + 31872.

It is an arithmetic number, because the mean of its divisors is an integer number (7093980).

Almost surely, 2^56081237 is an apocalyptic number.

It is an amenable number.

56081237 is a deficient number, since it is larger than the sum of its proper divisors (670603).

56081237 is a wasteful number, since it uses less digits than its factorization.

56081237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2163.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 56081237 is about 7488.7406818503. The cubic root of 56081237 is about 382.7711481097.

The spelling of 56081237 in words is "fifty-six million, eighty-one thousand, two hundred thirty-seven".