55294168381 has 8 divisors (see below), whose sum is σ = 57666285824. Its totient is φ = 52958828160.

The previous prime is 55294168351. The next prime is 55294168421. The reversal of 55294168381 is 18386149255.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55294168381 - 2¹⁹ = 55293644093 is a prime.

It is a super-2 number, since 2×55294168381² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55294168351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9191235 + ... + 9197248.

It is an arithmetic number, because the mean of its divisors is an integer number (7208285728).

Almost surely, 2^55294168381 is an apocalyptic number.

It is an amenable number.

55294168381 is a deficient number, since it is larger than the sum of its proper divisors (2372117443).

55294168381 is a wasteful number, since it uses less digits than its factorization.

55294168381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18388611.

The product of its digits is 2073600, while the sum is 52.

The spelling of 55294168381 in words is "fifty-five billion, two hundred ninety-four million, one hundred sixty-eight thousand, three hundred eighty-one".