55377496357 has 2 divisors, whose sum is σ = 55377496358. Its totient is φ = 55377496356.

The previous prime is 55377496351. The next prime is 55377496397. The reversal of 55377496357 is 75369477355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28915642116 + 26461854241 = 170046^2 + 162671^2 .

It is a cyclic number.

It is not a de Polignac number, because 55377496357 - 2³¹ = 53230012709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55377496295 and 55377496304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55377496351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27688748178 + 27688748179.

It is an arithmetic number, because the mean of its divisors is an integer number (27688748179).

Almost surely, 2^55377496357 is an apocalyptic number.

It is an amenable number.

55377496357 is a deficient number, since it is larger than the sum of its proper divisors (1).

55377496357 is an equidigital number, since it uses as much as digits as its factorization.

55377496357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 83349000, while the sum is 61.

The spelling of 55377496357 in words is "fifty-five billion, three hundred seventy-seven million, four hundred ninety-six thousand, three hundred fifty-seven".