56732045 has 4 divisors (see below), whose sum is σ = 68078460. Its totient is φ = 45385632.

The previous prime is 56732021. The next prime is 56732047. The reversal of 56732045 is 54023765.

56732045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16104169 + 40627876 = 4013^2 + 6374^2 .

It is a cyclic number.

It is not a de Polignac number, because 56732045 - 2¹² = 56727949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56732047) 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 3 ways as a sum of consecutive naturals, for example, 5673200 + ... + 5673209.

It is an arithmetic number, because the mean of its divisors is an integer number (17019615).

Almost surely, 2^56732045 is an apocalyptic number.

It is an amenable number.

56732045 is a deficient number, since it is larger than the sum of its proper divisors (11346415).

56732045 is a wasteful number, since it uses less digits than its factorization.

56732045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11346414.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 56732045 is about 7532.0677771778. The cubic root of 56732045 is about 384.2461100447.

The spelling of 56732045 in words is "fifty-six million, seven hundred thirty-two thousand, forty-five".