56520153 has 8 divisors (see below), whose sum is σ = 83733600. Its totient is φ = 37680084.

The previous prime is 56520151. The next prime is 56520169. The reversal of 56520153 is 35102565.

56520153 is a `hidden beast` number, since 5 + 652 + 0 + 1 + 5 + 3 = 666.

It is not a de Polignac number, because 56520153 - 2¹ = 56520151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2093339 = 56520153 / (5 + 6 + 5 + 2 + 0 + 1 + 5 + 3).

It is not an unprimeable number, because it can be changed into a prime (56520151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1046643 + ... + 1046696.

It is an arithmetic number, because the mean of its divisors is an integer number (10466700).

Almost surely, 2^56520153 is an apocalyptic number.

It is an amenable number.

56520153 is a deficient number, since it is larger than the sum of its proper divisors (27213447).

56520153 is a wasteful number, since it uses less digits than its factorization.

56520153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2093348 (or 2093342 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 56520153 is about 7517.9886272859. The cubic root of 56520153 is about 383.7671317600.

The spelling of 56520153 in words is "fifty-six million, five hundred twenty thousand, one hundred fifty-three".