55201220453 has 2 divisors, whose sum is σ = 55201220454. Its totient is φ = 55201220452.

The previous prime is 55201220369. The next prime is 55201220507. The reversal of 55201220453 is 35402210255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54577369924 + 623850529 = 233618^2 + 24977^2 .

It is a cyclic number.

It is not a de Polignac number, because 55201220453 - 2²² = 55197026149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55201220953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27600610226 + 27600610227.

It is an arithmetic number, because the mean of its divisors is an integer number (27600610227).

Almost surely, 2^55201220453 is an apocalyptic number.

It is an amenable number.

55201220453 is a deficient number, since it is larger than the sum of its proper divisors (1).

55201220453 is an equidigital number, since it uses as much as digits as its factorization.

55201220453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 55201220453 in words is "fifty-five billion, two hundred one million, two hundred twenty thousand, four hundred fifty-three".