55915263097 has 2 divisors, whose sum is σ = 55915263098. Its totient is φ = 55915263096.

The previous prime is 55915263071. The next prime is 55915263119. The reversal of 55915263097 is 79036251955.

55915263097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51406946361 + 4508316736 = 226731^2 + 67144^2 .

It is a cyclic number.

It is not a de Polignac number, because 55915263097 - 2⁷ = 55915262969 is a prime.

It is not a weakly prime, because it can be changed into another prime (55915263037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27957631548 + 27957631549.

It is an arithmetic number, because the mean of its divisors is an integer number (27957631549).

Almost surely, 2^55915263097 is an apocalyptic number.

It is an amenable number.

55915263097 is a deficient number, since it is larger than the sum of its proper divisors (1).

55915263097 is an equidigital number, since it uses as much as digits as its factorization.

55915263097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2551500, while the sum is 52.

The spelling of 55915263097 in words is "fifty-five billion, nine hundred fifteen million, two hundred sixty-three thousand, ninety-seven".