55461277216455 has 32 divisors (see below), whose sum is σ = 96978935950848. Its totient is φ = 26842039132800.

The previous prime is 55461277216453. The next prime is 55461277216511.

55461277216455 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55461277216455 - 2¹ = 55461277216453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55461277216453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 301639651 + ... + 301823460.

It is an arithmetic number, because the mean of its divisors is an integer number (3030591748464).

Almost surely, 2^{55461277216455} is an apocalyptic number.

55461277216455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55461277216455 is a deficient number, since it is larger than the sum of its proper divisors (41517658734393).

55461277216455 is a wasteful number, since it uses less digits than its factorization.

55461277216455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603463687.

The product of its digits is 70560000, while the sum is 60.

The spelling of 55461277216455 in words is "fifty-five trillion, four hundred sixty-one billion, two hundred seventy-seven million, two hundred sixteen thousand, four hundred fifty-five".