55734187123 has 2 divisors, whose sum is σ = 55734187124. Its totient is φ = 55734187122.

The previous prime is 55734187057. The next prime is 55734187147. The reversal of 55734187123 is 32178143755.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55734187123 - 2¹⁷ = 55734056051 is a prime.

It is a super-2 number, since 2×55734187123² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55734187163) 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, 27867093561 + 27867093562.

It is an arithmetic number, because the mean of its divisors is an integer number (27867093562).

Almost surely, 2^55734187123 is an apocalyptic number.

55734187123 is a deficient number, since it is larger than the sum of its proper divisors (1).

55734187123 is an equidigital number, since it uses as much as digits as its factorization.

55734187123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 705600, while the sum is 46.

The spelling of 55734187123 in words is "fifty-five billion, seven hundred thirty-four million, one hundred eighty-seven thousand, one hundred twenty-three".