5651787551 has 2 divisors, whose sum is σ = 5651787552. Its totient is φ = 5651787550.

The previous prime is 5651787529. The next prime is 5651787577. The reversal of 5651787551 is 1557871565.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5651787551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5651787551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5651787521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2825893775 + 2825893776.

It is an arithmetic number, because the mean of its divisors is an integer number (2825893776).

Almost surely, 2^5651787551 is an apocalyptic number.

5651787551 is a deficient number, since it is larger than the sum of its proper divisors (1).

5651787551 is an equidigital number, since it uses as much as digits as its factorization.

5651787551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1470000, while the sum is 50.

The square root of 5651787551 is about 75178.3715639013. The cubic root of 5651787551 is about 1781.2653073707.

The spelling of 5651787551 in words is "five billion, six hundred fifty-one million, seven hundred eighty-seven thousand, five hundred fifty-one".