56488871 has 4 divisors (see below), whose sum is σ = 57204000. Its totient is φ = 55773744.

The previous prime is 56488853. The next prime is 56488879. The reversal of 56488871 is 17888465.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56488871 - 2¹⁸ = 56226727 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 (56488879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357446 + ... + 357603.

It is an arithmetic number, because the mean of its divisors is an integer number (14301000).

Almost surely, 2^56488871 is an apocalyptic number.

56488871 is a deficient number, since it is larger than the sum of its proper divisors (715129).

56488871 is an equidigital number, since it uses as much as digits as its factorization.

56488871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715128.

The product of its digits is 430080, while the sum is 47.

The square root of 56488871 is about 7515.9078626604. The cubic root of 56488871 is about 383.6963179691.

The spelling of 56488871 in words is "fifty-six million, four hundred eighty-eight thousand, eight hundred seventy-one".