56707533 has 20 divisors (see below), whose sum is σ = 89172160. Its totient is φ = 35814312.

The previous prime is 56707531. The next prime is 56707559. The reversal of 56707533 is 33570765.

56707533 is a `hidden beast` number, since 56 + 70 + 7 + 533 = 666.

56707533 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 56707533 - 2¹ = 56707531 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56707531) 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 19 ways as a sum of consecutive naturals, for example, 16885 + ... + 19962.

It is an arithmetic number, because the mean of its divisors is an integer number (4458608).

Almost surely, 2^56707533 is an apocalyptic number.

It is an amenable number.

56707533 is a deficient number, since it is larger than the sum of its proper divisors (32464627).

56707533 is a wasteful number, since it uses less digits than its factorization.

56707533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36878 (or 36869 counting only the distinct ones).

The product of its (nonzero) digits is 66150, while the sum is 36.

The square root of 56707533 is about 7530.4404253669. The cubic root of 56707533 is about 384.1907621518.

It can be divided in two parts, 5670 and 7533, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 56707533 in words is "fifty-six million, seven hundred seven thousand, five hundred thirty-three".