56471885 has 8 divisors (see below), whose sum is σ = 68173056. Its totient is φ = 44906320.

The previous prime is 56471869. The next prime is 56471897. The reversal of 56471885 is 58817465.

It is a happy number.

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

It is not a de Polignac number, because 56471885 - 2⁴ = 56471869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32981 + ... + 34650.

It is an arithmetic number, because the mean of its divisors is an integer number (8521632).

Almost surely, 2^56471885 is an apocalyptic number.

It is an amenable number.

56471885 is a deficient number, since it is larger than the sum of its proper divisors (11701171).

56471885 is a wasteful number, since it uses less digits than its factorization.

56471885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67803.

The product of its digits is 268800, while the sum is 44.

The square root of 56471885 is about 7514.7777744921. Note that the first 5 decimals coincide. The cubic root of 56471885 is about 383.6578554135.

The spelling of 56471885 in words is "fifty-six million, four hundred seventy-one thousand, eight hundred eighty-five".