55533433597 has 2 divisors, whose sum is σ = 55533433598. Its totient is φ = 55533433596.

The previous prime is 55533433531. The next prime is 55533433619. The reversal of 55533433597 is 79533433555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29442784921 + 26090648676 = 171589^2 + 161526^2 .

It is a cyclic number.

It is not a de Polignac number, because 55533433597 - 2²⁷ = 55399215869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55533433897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27766716798 + 27766716799.

It is an arithmetic number, because the mean of its divisors is an integer number (27766716799).

Almost surely, 2^55533433597 is an apocalyptic number.

It is an amenable number.

55533433597 is a deficient number, since it is larger than the sum of its proper divisors (1).

55533433597 is an equidigital number, since it uses as much as digits as its factorization.

55533433597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12757500, while the sum is 52.

The spelling of 55533433597 in words is "fifty-five billion, five hundred thirty-three million, four hundred thirty-three thousand, five hundred ninety-seven".