55602266346491 has 2 divisors, whose sum is σ = 55602266346492. Its totient is φ = 55602266346490.

The previous prime is 55602266346463. The next prime is 55602266346589. The reversal of 55602266346491 is 19464366220655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55602266346491 - 2¹⁸ = 55602266084347 is a prime.

It is a super-2 number, since 2×55602266346491² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55602266346491.

It is not a weakly prime, because it can be changed into another prime (55602266346791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27801133173245 + 27801133173246.

It is an arithmetic number, because the mean of its divisors is an integer number (27801133173246).

Almost surely, 2^{55602266346491} is an apocalyptic number.

55602266346491 is a deficient number, since it is larger than the sum of its proper divisors (1).

55602266346491 is an equidigital number, since it uses as much as digits as its factorization.

55602266346491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55987200, while the sum is 59.

The spelling of 55602266346491 in words is "fifty-five trillion, six hundred two billion, two hundred sixty-six million, three hundred forty-six thousand, four hundred ninety-one".