5651056321 has 4 divisors (see below), whose sum is σ = 5663157552. Its totient is φ = 5638955092.

The previous prime is 5651056303. The next prime is 5651056391. The reversal of 5651056321 is 1236501565.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5651056321 - 2⁷ = 5651056193 is a prime.

It is a super-2 number, since 2×5651056321² = 63868875086228110082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5651056391) 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, 6049915 + ... + 6050848.

It is an arithmetic number, because the mean of its divisors is an integer number (1415789388).

Almost surely, 2^5651056321 is an apocalyptic number.

It is an amenable number.

5651056321 is a deficient number, since it is larger than the sum of its proper divisors (12101231).

5651056321 is a wasteful number, since it uses less digits than its factorization.

5651056321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12101230.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 5651056321 is about 75173.5081062471. The cubic root of 5651056321 is about 1781.1884838409.

Adding to 5651056321 its reverse (1236501565), we get a palindrome (6887557886).

The spelling of 5651056321 in words is "five billion, six hundred fifty-one million, fifty-six thousand, three hundred twenty-one".