56017380 has 48 divisors (see below), whose sum is σ = 166078080. Its totient is φ = 14059008.

The previous prime is 56017361. The next prime is 56017391. The reversal of 56017380 is 8371065.

56017380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26440 + ... + 28479.

It is an arithmetic number, because the mean of its divisors is an integer number (3459960).

Almost surely, 2^56017380 is an apocalyptic number.

It is an amenable number.

56017380 is an abundant number, since it is smaller than the sum of its proper divisors (110060700).

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

56017380 is a wasteful number, since it uses less digits than its factorization.

56017380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54948 (or 54946 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 56017380 is about 7484.4759335574. The cubic root of 56017380 is about 382.6258119177.

The spelling of 56017380 in words is "fifty-six million, seventeen thousand, three hundred eighty".