56723432 has 8 divisors (see below), whose sum is σ = 106356450. Its totient is φ = 28361712.

The previous prime is 56723431. The next prime is 56723453. The reversal of 56723432 is 23432765.

56723432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 52504516 + 4218916 = 7246^2 + 2054^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (56723431) 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 as a sum of consecutive naturals, namely, 3545207 + ... + 3545222.

Almost surely, 2^56723432 is an apocalyptic number.

It is an amenable number.

56723432 is a deficient number, since it is larger than the sum of its proper divisors (49633018).

56723432 is a wasteful number, since it uses less digits than its factorization.

56723432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7090435 (or 7090431 counting only the distinct ones).

The product of its digits is 30240, while the sum is 32.

The square root of 56723432 is about 7531.4960001317. The cubic root of 56723432 is about 384.2266637792.

The spelling of 56723432 in words is "fifty-six million, seven hundred twenty-three thousand, four hundred thirty-two".