56029980 has 48 divisors (see below), whose sum is σ = 158788224. Its totient is φ = 14760000.

The previous prime is 56029979. The next prime is 56030027. The reversal of 56029980 is 8992065.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 646 + ... + 10605.

It is an arithmetic number, because the mean of its divisors is an integer number (3308088).

Almost surely, 2^56029980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56029980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79394112).

56029980 is an abundant number, since it is smaller than the sum of its proper divisors (102758244).

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

56029980 is a wasteful number, since it uses less digits than its factorization.

56029980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11346 (or 11344 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 56029980 is about 7485.3176285312. The cubic root of 56029980 is about 382.6544977994.

The spelling of 56029980 in words is "fifty-six million, twenty-nine thousand, nine hundred eighty".