56229972 has 12 divisors (see below), whose sum is σ = 131203296. Its totient is φ = 18743320.

The previous prime is 56229919. The next prime is 56229977. The reversal of 56229972 is 27992265.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×56229972³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56229977) 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, 2342904 + ... + 2342927.

It is an arithmetic number, because the mean of its divisors is an integer number (10933608).

Almost surely, 2^56229972 is an apocalyptic number.

It is an amenable number.

56229972 is an abundant number, since it is smaller than the sum of its proper divisors (74973324).

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

56229972 is a wasteful number, since it uses less digits than its factorization.

56229972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4685838 (or 4685836 counting only the distinct ones).

The product of its digits is 136080, while the sum is 42.

The square root of 56229972 is about 7498.6646811282. The cubic root of 56229972 is about 383.1092362940.

The spelling of 56229972 in words is "fifty-six million, two hundred twenty-nine thousand, nine hundred seventy-two".