56465670551 has 2 divisors, whose sum is σ = 56465670552. Its totient is φ = 56465670550.

The previous prime is 56465670539. The next prime is 56465670559. The reversal of 56465670551 is 15507656465.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56465670551 - 2¹⁸ = 56465408407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56465670551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56465670559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28232835275 + 28232835276.

It is an arithmetic number, because the mean of its divisors is an integer number (28232835276).

Almost surely, 2^56465670551 is an apocalyptic number.

56465670551 is a deficient number, since it is larger than the sum of its proper divisors (1).

56465670551 is an equidigital number, since it uses as much as digits as its factorization.

56465670551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780000, while the sum is 50.

The spelling of 56465670551 in words is "fifty-six billion, four hundred sixty-five million, six hundred seventy thousand, five hundred fifty-one".