56291016 has 16 divisors (see below), whose sum is σ = 140727600. Its totient is φ = 18763664.

The previous prime is 56291003. The next prime is 56291041. The reversal of 56291016 is 61019265.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1172706 + ... + 1172753.

It is an arithmetic number, because the mean of its divisors is an integer number (8795475).

Almost surely, 2^56291016 is an apocalyptic number.

It is an amenable number.

56291016 is an abundant number, since it is smaller than the sum of its proper divisors (84436584).

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

56291016 is a wasteful number, since it uses less digits than its factorization.

56291016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345468 (or 2345464 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 56291016 is about 7502.7339017188. The cubic root of 56291016 is about 383.2478223041.

The spelling of 56291016 in words is "fifty-six million, two hundred ninety-one thousand, sixteen".