2056653401 has 8 divisors (see below), whose sum is σ = 2291359104. Its totient is φ = 1829903920.

The previous prime is 2056653397. The next prime is 2056653409. The reversal of 2056653401 is 1043566502.

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

It is a cyclic number.

It is not a de Polignac number, because 2056653401 - 2² = 2056653397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2056653409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1988510 + ... + 1989543.

It is an arithmetic number, because the mean of its divisors is an integer number (286419888).

Almost surely, 2^2056653401 is an apocalyptic number.

It is an amenable number.

2056653401 is a deficient number, since it is larger than the sum of its proper divisors (234705703).

2056653401 is a wasteful number, since it uses less digits than its factorization.

2056653401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3978111.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 2056653401 is about 45350.3406933178. The cubic root of 2056653401 is about 1271.7069244311.

The spelling of 2056653401 in words is "two billion, fifty-six million, six hundred fifty-three thousand, four hundred one".