56001658 has 8 divisors (see below), whose sum is σ = 85153428. Its totient is φ = 27617184.

The previous prime is 56001653. The next prime is 56001691. The reversal of 56001658 is 85610065.

56001658 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 2 ways, for example, as 50651689 + 5349969 = 7117^2 + 2313^2 .

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

It is not an unprimeable number, because it can be changed into a prime (56001653) 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, 191641 + ... + 191932.

Almost surely, 2^56001658 is an apocalyptic number.

56001658 is a deficient number, since it is larger than the sum of its proper divisors (29151770).

56001658 is a wasteful number, since it uses less digits than its factorization.

56001658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383648.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 56001658 is about 7483.4255525127. The cubic root of 56001658 is about 382.5900122790.

The spelling of 56001658 in words is "fifty-six million, one thousand, six hundred fifty-eight".