56650001 has 16 divisors (see below), whose sum is σ = 63682560. Its totient is φ = 50077440.

The previous prime is 56649961. The next prime is 56650003. The reversal of 56650001 is 10005665.

It is a cyclic number.

It is not a de Polignac number, because 56650001 - 2¹⁸ = 56387857 is a prime.

It is a super-2 number, since 2×56650001² = 6418445226600002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56650003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40331 + ... + 41711.

It is an arithmetic number, because the mean of its divisors is an integer number (3980160).

Almost surely, 2^56650001 is an apocalyptic number.

It is an amenable number.

56650001 is a deficient number, since it is larger than the sum of its proper divisors (7032559).

56650001 is a wasteful number, since it uses less digits than its factorization.

56650001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 56650001 is about 7526.6194935044. The cubic root of 56650001 is about 384.0607926936.

Adding to 56650001 its reverse (10005665), we get a palindrome (66655666).

The spelling of 56650001 in words is "fifty-six million, six hundred fifty thousand, one".