56106558 has 12 divisors (see below), whose sum is σ = 121564248. Its totient is φ = 18702180.

The previous prime is 56106539. The next prime is 56106571. The reversal of 56106558 is 85560165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1558498 + ... + 1558533.

It is an arithmetic number, because the mean of its divisors is an integer number (10130354).

Almost surely, 2^56106558 is an apocalyptic number.

56106558 is an abundant number, since it is smaller than the sum of its proper divisors (65457690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56106558 is a wasteful number, since it uses less digits than its factorization.

56106558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117039 (or 3117036 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 56106558 is about 7490.4310957381. The cubic root of 56106558 is about 382.8287472310.

The spelling of 56106558 in words is "fifty-six million, one hundred six thousand, five hundred fifty-eight".