56242871 has 8 divisors (see below), whose sum is σ = 57317760. Its totient is φ = 55172152.

The previous prime is 56242859. The next prime is 56242873. The reversal of 56242871 is 17824265.

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 56242871 - 2¹⁴ = 56226487 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 (56242873) 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, 43196 + ... + 44478.

It is an arithmetic number, because the mean of its divisors is an integer number (7164720).

Almost surely, 2^56242871 is an apocalyptic number.

56242871 is a deficient number, since it is larger than the sum of its proper divisors (1074889).

56242871 is a wasteful number, since it uses less digits than its factorization.

56242871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2085.

The product of its digits is 26880, while the sum is 35.

The square root of 56242871 is about 7499.5247182738. The cubic root of 56242871 is about 383.1385287871.

The spelling of 56242871 in words is "fifty-six million, two hundred forty-two thousand, eight hundred seventy-one".