56771072 has 20 divisors (see below), whose sum is σ = 113432286. Its totient is φ = 28385280.

The previous prime is 56771047. The next prime is 56771083. The reversal of 56771072 is 27017765.

It can be written as a sum of positive squares in only one way, i.e., 45373696 + 11397376 = 6736^2 + 3376^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54929 + ... + 55952.

Almost surely, 2^56771072 is an apocalyptic number.

It is an amenable number.

56771072 is a deficient number, since it is larger than the sum of its proper divisors (56661214).

56771072 is an equidigital number, since it uses as much as digits as its factorization.

56771072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110899 (or 110883 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 35.

The square root of 56771072 is about 7534.6580546167. The cubic root of 56771072 is about 384.3341997983.

The spelling of 56771072 in words is "fifty-six million, seven hundred seventy-one thousand, seventy-two".