55456455465455 has 32 divisors (see below), whose sum is σ = 73879557193728. Its totient is φ = 39625903296000.

The previous prime is 55456455465451. The next prime is 55456455465497.

55456455465455 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55456455465455 - 2² = 55456455465451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55456455465451) 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, 37821146 + ... + 39260055.

It is an arithmetic number, because the mean of its divisors is an integer number (2308736162304).

Almost surely, 2^{55456455465455} is an apocalyptic number.

55456455465455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55456455465455 is a deficient number, since it is larger than the sum of its proper divisors (18423101728273).

55456455465455 is a wasteful number, since it uses less digits than its factorization.

55456455465455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77081447.

The product of its digits is 3600000000, while the sum is 68.

The spelling of 55456455465455 in words is "fifty-five trillion, four hundred fifty-six billion, four hundred fifty-five million, four hundred sixty-five thousand, four hundred fifty-five".