56532651 has 16 divisors (see below), whose sum is σ = 86304000. Its totient is φ = 32244768.

The previous prime is 56532649. The next prime is 56532661. The reversal of 56532651 is 15623565.

It is not a de Polignac number, because 56532651 - 2¹ = 56532649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56532601) 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 15 ways as a sum of consecutive naturals, for example, 10825 + ... + 15173.

It is an arithmetic number, because the mean of its divisors is an integer number (5394000).

Almost surely, 2^56532651 is an apocalyptic number.

56532651 is a deficient number, since it is larger than the sum of its proper divisors (29771349).

56532651 is a wasteful number, since it uses less digits than its factorization.

56532651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4978.

The product of its digits is 27000, while the sum is 33.

The square root of 56532651 is about 7518.8197877060. The cubic root of 56532651 is about 383.7954164683.

The spelling of 56532651 in words is "fifty-six million, five hundred thirty-two thousand, six hundred fifty-one".