55346315423203 has 32 divisors (see below), whose sum is σ = 64598508785664. Its totient is φ = 46444071485952.

The previous prime is 55346315423183. The next prime is 55346315423221. The reversal of 55346315423203 is 30232451364355.

It is a happy number.

It is not a de Polignac number, because 55346315423203 - 2¹³ = 55346315415011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55346315424203) 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, 21673351 + ... + 24092047.

It is an arithmetic number, because the mean of its divisors is an integer number (2018703399552).

Almost surely, 2^{55346315423203} is an apocalyptic number.

55346315423203 is a deficient number, since it is larger than the sum of its proper divisors (9252193362461).

55346315423203 is a wasteful number, since it uses less digits than its factorization.

55346315423203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2419171.

The product of its (nonzero) digits is 3888000, while the sum is 46.

Adding to 55346315423203 its reverse (30232451364355), we get a palindrome (85578766787558).

The spelling of 55346315423203 in words is "fifty-five trillion, three hundred forty-six billion, three hundred fifteen million, four hundred twenty-three thousand, two hundred three".