56801530 has 8 divisors (see below), whose sum is σ = 102242772. Its totient is φ = 22720608.

The previous prime is 56801527. The next prime is 56801561. The reversal of 56801530 is 3510865.

It can be written as a sum of positive squares in 2 ways, for example, as 50794129 + 6007401 = 7127^2 + 2451^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2840067 + ... + 2840086.

Almost surely, 2^56801530 is an apocalyptic number.

56801530 is a deficient number, since it is larger than the sum of its proper divisors (45441242).

56801530 is a wasteful number, since it uses less digits than its factorization.

56801530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5680160.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 56801530 is about 7536.6789768438. The cubic root of 56801530 is about 384.4029199980.

The spelling of 56801530 in words is "fifty-six million, eight hundred one thousand, five hundred thirty".