56889587 has 4 divisors (see below), whose sum is σ = 57042480. Its totient is φ = 56736696.

The previous prime is 56889583. The next prime is 56889589. The reversal of 56889587 is 78598865.

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 56889587 - 2² = 56889583 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56889583) 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, 75887 + ... + 76632.

It is an arithmetic number, because the mean of its divisors is an integer number (14260620).

Almost surely, 2^56889587 is an apocalyptic number.

56889587 is a deficient number, since it is larger than the sum of its proper divisors (152893).

56889587 is a wasteful number, since it uses less digits than its factorization.

56889587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152892.

The product of its digits is 4838400, while the sum is 56.

The square root of 56889587 is about 7542.5186111802. The cubic root of 56889587 is about 384.6014586127.

The spelling of 56889587 in words is "fifty-six million, eight hundred eighty-nine thousand, five hundred eighty-seven".