55370956452439 has 2 divisors, whose sum is σ = 55370956452440. Its totient is φ = 55370956452438.

The previous prime is 55370956452437. The next prime is 55370956452523. The reversal of 55370956452439 is 93425465907355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55370956452439 - 2¹ = 55370956452437 is a prime.

It is a super-2 number, since 2×55370956452439² (a number of 28 digits) contains 22 as substring.

Together with 55370956452437, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55370956452431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27685478226219 + 27685478226220.

It is an arithmetic number, because the mean of its divisors is an integer number (27685478226220).

Almost surely, 2^{55370956452439} is an apocalyptic number.

55370956452439 is a deficient number, since it is larger than the sum of its proper divisors (1).

55370956452439 is an equidigital number, since it uses as much as digits as its factorization.

55370956452439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 612360000, while the sum is 67.

The spelling of 55370956452439 in words is "fifty-five trillion, three hundred seventy billion, nine hundred fifty-six million, four hundred fifty-two thousand, four hundred thirty-nine".