55423355332455 has 32 divisors (see below), whose sum is σ = 107487719435520. Its totient is φ = 26871929857440.

The previous prime is 55423355332441. The next prime is 55423355332601.

It is a happy number.

55423355332455 is a `hidden beast` number, since 5 + 5 + 4 + 2 + 3 + 3 + 553 + 32 + 4 + 55 = 666.

55423355332455 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55423355332455 - 2⁹ = 55423355331943 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18661060917 + ... + 18661063886.

It is an arithmetic number, because the mean of its divisors is an integer number (3358991232360).

Almost surely, 2^{55423355332455} is an apocalyptic number.

55423355332455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55423355332455 is a deficient number, since it is larger than the sum of its proper divisors (52064364103065).

55423355332455 is a wasteful number, since it uses less digits than its factorization.

55423355332455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37322124828 (or 37322124822 counting only the distinct ones).

The product of its digits is 81000000, while the sum is 54.

The spelling of 55423355332455 in words is "fifty-five trillion, four hundred twenty-three billion, three hundred fifty-five million, three hundred thirty-two thousand, four hundred fifty-five".