55742615233 has 2 divisors, whose sum is σ = 55742615234. Its totient is φ = 55742615232.

The previous prime is 55742615231. The next prime is 55742615293. The reversal of 55742615233 is 33251624755.

It is a happy number.

55742615233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49772271409 + 5970343824 = 223097^2 + 77268^2 .

It is a cyclic number.

It is not a de Polignac number, because 55742615233 - 2¹ = 55742615231 is a prime.

Together with 55742615231, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 55742615233.

It is not a weakly prime, because it can be changed into another prime (55742615231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27871307616 + 27871307617.

It is an arithmetic number, because the mean of its divisors is an integer number (27871307617).

Almost surely, 2^55742615233 is an apocalyptic number.

It is an amenable number.

55742615233 is a deficient number, since it is larger than the sum of its proper divisors (1).

55742615233 is an equidigital number, since it uses as much as digits as its factorization.

55742615233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756000, while the sum is 43.

The spelling of 55742615233 in words is "fifty-five billion, seven hundred forty-two million, six hundred fifteen thousand, two hundred thirty-three".