55474655647455 has 24 divisors (see below), whose sum is σ = 104897530679760. Its totient is φ = 26896802737920.

The previous prime is 55474655647429. The next prime is 55474655647469.

55474655647455 is a `hidden beast` number, since 5 + 5 + 4 + 7 + 4 + 6 + 5 + 564 + 7 + 4 + 55 = 666.

55474655647455 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55474655647455 - 2⁵ = 55474655647423 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56035005210 + ... + 56035006199.

It is an arithmetic number, because the mean of its divisors is an integer number (4370730444990).

Almost surely, 2^{55474655647455} is an apocalyptic number.

55474655647455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55474655647455 is a deficient number, since it is larger than the sum of its proper divisors (49422875032305).

55474655647455 is a wasteful number, since it uses less digits than its factorization.

55474655647455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112070011431 (or 112070011428 counting only the distinct ones).

The product of its digits is 7056000000, while the sum is 72.

The spelling of 55474655647455 in words is "fifty-five trillion, four hundred seventy-four billion, six hundred fifty-five million, six hundred forty-seven thousand, four hundred fifty-five".