55599097 has 2 divisors, whose sum is σ = 55599098. Its totient is φ = 55599096.

The previous prime is 55599083. The next prime is 55599107. The reversal of 55599097 is 79099555.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33593616 + 22005481 = 5796^2 + 4691^2 .

It is a cyclic number.

It is not a de Polignac number, because 55599097 - 2⁷ = 55598969 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55599097.

It is not a weakly prime, because it can be changed into another prime (55599017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27799548 + 27799549.

It is an arithmetic number, because the mean of its divisors is an integer number (27799549).

Almost surely, 2^55599097 is an apocalyptic number.

It is an amenable number.

55599097 is a deficient number, since it is larger than the sum of its proper divisors (1).

55599097 is an equidigital number, since it uses as much as digits as its factorization.

55599097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 637875, while the sum is 49.

The square root of 55599097 is about 7456.4802018110. The cubic root of 55599097 is about 381.6710731764.

The spelling of 55599097 in words is "fifty-five million, five hundred ninety-nine thousand, ninety-seven".