55213524497 has 2 divisors, whose sum is σ = 55213524498. Its totient is φ = 55213524496.

The previous prime is 55213524403. The next prime is 55213524559. The reversal of 55213524497 is 79442531255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43077417601 + 12136106896 = 207551^2 + 110164^2 .

It is a cyclic number.

It is not a de Polignac number, because 55213524497 - 2¹⁶ = 55213458961 is a prime.

It is not a weakly prime, because it can be changed into another prime (55213524397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27606762248 + 27606762249.

It is an arithmetic number, because the mean of its divisors is an integer number (27606762249).

Almost surely, 2^55213524497 is an apocalyptic number.

It is an amenable number.

55213524497 is a deficient number, since it is larger than the sum of its proper divisors (1).

55213524497 is an equidigital number, since it uses as much as digits as its factorization.

55213524497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512000, while the sum is 47.

The spelling of 55213524497 in words is "fifty-five billion, two hundred thirteen million, five hundred twenty-four thousand, four hundred ninety-seven".