56071889 has 8 divisors (see below), whose sum is σ = 57552000. Its totient is φ = 54609552.

The previous prime is 56071879. The next prime is 56071903. The reversal of 56071889 is 98817065.

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 56071889 - 2¹² = 56067793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56071859) 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, 2072 + ... + 10790.

It is an arithmetic number, because the mean of its divisors is an integer number (7194000).

Almost surely, 2^56071889 is an apocalyptic number.

56071889 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

56071889 is a deficient number, since it is larger than the sum of its proper divisors (1480111).

56071889 is a wasteful number, since it uses less digits than its factorization.

56071889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8887.

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 56071889 is about 7488.1165188584. The cubic root of 56071889 is about 382.7498792997.

The spelling of 56071889 in words is "fifty-six million, seventy-one thousand, eight hundred eighty-nine".