55351233137 has 2 divisors, whose sum is σ = 55351233138. Its totient is φ = 55351233136.

The previous prime is 55351233121. The next prime is 55351233163. The reversal of 55351233137 is 73133215355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48415841296 + 6935391841 = 220036^2 + 83279^2 .

It is a cyclic number.

It is not a de Polignac number, because 55351233137 - 2⁴ = 55351233121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55351233137.

It is not a weakly prime, because it can be changed into another prime (55351233167) 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, 27675616568 + 27675616569.

It is an arithmetic number, because the mean of its divisors is an integer number (27675616569).

Almost surely, 2^55351233137 is an apocalyptic number.

It is an amenable number.

55351233137 is a deficient number, since it is larger than the sum of its proper divisors (1).

55351233137 is an equidigital number, since it uses as much as digits as its factorization.

55351233137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141750, while the sum is 38.

The spelling of 55351233137 in words is "fifty-five billion, three hundred fifty-one million, two hundred thirty-three thousand, one hundred thirty-seven".