56897380 has 24 divisors (see below), whose sum is σ = 121000320. Its totient is φ = 22470240.

The previous prime is 56897371. The next prime is 56897411. The reversal of 56897380 is 8379865.

56897380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 56897380.

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 7 ways as a sum of consecutive naturals, for example, 16426 + ... + 19585.

It is an arithmetic number, because the mean of its divisors is an integer number (5041680).

Almost surely, 2^56897380 is an apocalyptic number.

It is an amenable number.

56897380 is an abundant number, since it is smaller than the sum of its proper divisors (64102940).

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

56897380 is a wasteful number, since it uses less digits than its factorization.

56897380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36099 (or 36097 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 56897380 is about 7543.0351981149. The cubic root of 56897380 is about 384.6190193092.

The spelling of 56897380 in words is "fifty-six million, eight hundred ninety-seven thousand, three hundred eighty".