55312732723 has 2 divisors, whose sum is σ = 55312732724. Its totient is φ = 55312732722.

The previous prime is 55312732711. The next prime is 55312732733. The reversal of 55312732723 is 32723721355.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55312732723 - 2²⁵ = 55279178291 is a prime.

It is not a weakly prime, because it can be changed into another prime (55312732733) 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, 27656366361 + 27656366362.

It is an arithmetic number, because the mean of its divisors is an integer number (27656366362).

Almost surely, 2^55312732723 is an apocalyptic number.

55312732723 is a deficient number, since it is larger than the sum of its proper divisors (1).

55312732723 is an equidigital number, since it uses as much as digits as its factorization.

55312732723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 264600, while the sum is 40.

The spelling of 55312732723 in words is "fifty-five billion, three hundred twelve million, seven hundred thirty-two thousand, seven hundred twenty-three".