55314363315021 has 16 divisors (see below), whose sum is σ = 76296160848000. Its totient is φ = 35604420239808.

The previous prime is 55314363314939. The next prime is 55314363315023. The reversal of 55314363315021 is 12051336341355.

It is not a de Polignac number, because 55314363315021 - 2¹⁷ = 55314363183949 is a prime.

It is a super-2 number, since 2×55314363315021² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55314363315023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12242280 + ... + 16140078.

It is an arithmetic number, because the mean of its divisors is an integer number (4768510053000).

Almost surely, 2^{55314363315021} is an apocalyptic number.

It is an amenable number.

55314363315021 is a deficient number, since it is larger than the sum of its proper divisors (20981797532979).

55314363315021 is a wasteful number, since it uses less digits than its factorization.

55314363315021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4060948.

The product of its (nonzero) digits is 486000, while the sum is 42.

Adding to 55314363315021 its reverse (12051336341355), we get a palindrome (67365699656376).

The spelling of 55314363315021 in words is "fifty-five trillion, three hundred fourteen billion, three hundred sixty-three million, three hundred fifteen thousand, twenty-one".