55623807469 has 2 divisors, whose sum is σ = 55623807470. Its totient is φ = 55623807468.

The previous prime is 55623807451. The next prime is 55623807497. The reversal of 55623807469 is 96470832655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51458654025 + 4165153444 = 226845^2 + 64538^2 .

It is a cyclic number.

It is not a de Polignac number, because 55623807469 - 2⁹ = 55623806957 is a prime.

It is a super-2 number, since 2×55623807469² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55623007469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27811903734 + 27811903735.

It is an arithmetic number, because the mean of its divisors is an integer number (27811903735).

Almost surely, 2^55623807469 is an apocalyptic number.

It is an amenable number.

55623807469 is a deficient number, since it is larger than the sum of its proper divisors (1).

55623807469 is an equidigital number, since it uses as much as digits as its factorization.

55623807469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10886400, while the sum is 55.

The spelling of 55623807469 in words is "fifty-five billion, six hundred twenty-three million, eight hundred seven thousand, four hundred sixty-nine".