55645267351 has 2 divisors, whose sum is σ = 55645267352. Its totient is φ = 55645267350.

The previous prime is 55645267331. The next prime is 55645267369. The reversal of 55645267351 is 15376254655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55645267351 - 2⁵ = 55645267319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55645267295 and 55645267304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55645267331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27822633675 + 27822633676.

It is an arithmetic number, because the mean of its divisors is an integer number (27822633676).

Almost surely, 2^55645267351 is an apocalyptic number.

55645267351 is a deficient number, since it is larger than the sum of its proper divisors (1).

55645267351 is an equidigital number, since it uses as much as digits as its factorization.

55645267351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780000, while the sum is 49.

The spelling of 55645267351 in words is "fifty-five billion, six hundred forty-five million, two hundred sixty-seven thousand, three hundred fifty-one".