55378485631363 has 4 divisors (see below), whose sum is σ = 55394486353008. Its totient is φ = 55362484909720.

The previous prime is 55378485631361. The next prime is 55378485631369. The reversal of 55378485631363 is 36313658487355.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55378485631363 - 2¹ = 55378485631361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55378485631361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8000355631 + ... + 8000362552.

It is an arithmetic number, because the mean of its divisors is an integer number (13848621588252).

Almost surely, 2^{55378485631363} is an apocalyptic number.

55378485631363 is a deficient number, since it is larger than the sum of its proper divisors (16000721645).

55378485631363 is a wasteful number, since it uses less digits than its factorization.

55378485631363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16000721644.

The product of its digits is 653184000, while the sum is 67.

The spelling of 55378485631363 in words is "fifty-five trillion, three hundred seventy-eight billion, four hundred eighty-five million, six hundred thirty-one thousand, three hundred sixty-three".