55103626453 has 2 divisors, whose sum is σ = 55103626454. Its totient is φ = 55103626452.

The previous prime is 55103626451. The next prime is 55103626471. The reversal of 55103626453 is 35462630155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55101928644 + 1697809 = 234738^2 + 1303^2 .

It is a cyclic number.

It is not a de Polignac number, because 55103626453 - 2¹ = 55103626451 is a prime.

It is a super-2 number, since 2×55103626453² (a number of 22 digits) contains 22 as substring.

Together with 55103626451, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55103626451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27551813226 + 27551813227.

It is an arithmetic number, because the mean of its divisors is an integer number (27551813227).

Almost surely, 2^55103626453 is an apocalyptic number.

It is an amenable number.

55103626453 is a deficient number, since it is larger than the sum of its proper divisors (1).

55103626453 is an equidigital number, since it uses as much as digits as its factorization.

55103626453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 55103626453 in words is "fifty-five billion, one hundred three million, six hundred twenty-six thousand, four hundred fifty-three".