55001031097 has 2 divisors, whose sum is σ = 55001031098. Its totient is φ = 55001031096.

The previous prime is 55001031049. The next prime is 55001031103. The reversal of 55001031097 is 79013010055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37376875561 + 17624155536 = 193331^2 + 132756^2 .

It is a cyclic number.

It is not a de Polignac number, because 55001031097 - 2³⁵ = 20641292729 is a prime.

It is a super-2 number, since 2×55001031097² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55001031797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27500515548 + 27500515549.

It is an arithmetic number, because the mean of its divisors is an integer number (27500515549).

Almost surely, 2^55001031097 is an apocalyptic number.

It is an amenable number.

55001031097 is a deficient number, since it is larger than the sum of its proper divisors (1).

55001031097 is an equidigital number, since it uses as much as digits as its factorization.

55001031097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4725, while the sum is 31.

The spelling of 55001031097 in words is "fifty-five billion, one million, thirty-one thousand, ninety-seven".