56106489 has 16 divisors (see below), whose sum is σ = 76712832. Its totient is φ = 36461568.

The previous prime is 56106481. The next prime is 56106493. The reversal of 56106489 is 98460165.

It is not a de Polignac number, because 56106489 - 2³ = 56106481 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56106481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25497 + ... + 27609.

It is an arithmetic number, because the mean of its divisors is an integer number (4794552).

Almost surely, 2^56106489 is an apocalyptic number.

It is an amenable number.

56106489 is a deficient number, since it is larger than the sum of its proper divisors (20606343).

56106489 is a wasteful number, since it uses less digits than its factorization.

56106489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2336.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 56106489 is about 7490.4264898602. The cubic root of 56106489 is about 382.8285902963.

The spelling of 56106489 in words is "fifty-six million, one hundred six thousand, four hundred eighty-nine".