56153385 has 16 divisors (see below), whose sum is σ = 99828480. Its totient is φ = 29948400.

The previous prime is 56153381. The next prime is 56153387. The reversal of 56153385 is 58335165.

56153385 is a `hidden beast` number, since 5 + 615 + 3 + 38 + 5 = 666.

56153385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56153385 - 2² = 56153381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56153381) by changing a digit.

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, 207841 + ... + 208110.

It is an arithmetic number, because the mean of its divisors is an integer number (6239280).

Almost surely, 2^56153385 is an apocalyptic number.

It is an amenable number.

56153385 is a deficient number, since it is larger than the sum of its proper divisors (43675095).

56153385 is a wasteful number, since it uses less digits than its factorization.

56153385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415965 (or 415959 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 56153385 is about 7493.5562318568. The cubic root of 56153385 is about 382.9352216340.

The spelling of 56153385 in words is "fifty-six million, one hundred fifty-three thousand, three hundred eighty-five".