55531014404213 has 4 divisors (see below), whose sum is σ = 55539861154860. Its totient is φ = 55522167653568.

The previous prime is 55531014404113. The next prime is 55531014404233. The reversal of 55531014404213 is 31240441013555.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54448711249969 + 1082303154244 = 7378937^2 + 1040338^2 .

It is a cyclic number.

It is not a de Polignac number, because 55531014404213 - 2⁸ = 55531014403957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55531014404233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4423365908 + ... + 4423378461.

It is an arithmetic number, because the mean of its divisors is an integer number (13884965288715).

Almost surely, 2^{55531014404213} is an apocalyptic number.

It is an amenable number.

55531014404213 is a deficient number, since it is larger than the sum of its proper divisors (8846750647).

55531014404213 is an equidigital number, since it uses as much as digits as its factorization.

55531014404213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8846750646.

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 55531014404213 its reverse (31240441013555), we get a palindrome (86771455417768).

The spelling of 55531014404213 in words is "fifty-five trillion, five hundred thirty-one billion, fourteen million, four hundred four thousand, two hundred thirteen".