53155551667 has 2 divisors, whose sum is σ = 53155551668. Its totient is φ = 53155551666.

The previous prime is 53155551607. The next prime is 53155551697. The reversal of 53155551667 is 76615555135.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53155551667 - 2¹⁹ = 53155027379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53155551667.

It is not a weakly prime, because it can be changed into another prime (53155551607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26577775833 + 26577775834.

It is an arithmetic number, because the mean of its divisors is an integer number (26577775834).

Almost surely, 2^53155551667 is an apocalyptic number.

53155551667 is a deficient number, since it is larger than the sum of its proper divisors (1).

53155551667 is an equidigital number, since it uses as much as digits as its factorization.

53155551667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2362500, while the sum is 49.

The spelling of 53155551667 in words is "fifty-three billion, one hundred fifty-five million, five hundred fifty-one thousand, six hundred sixty-seven".