55501214213 has 16 divisors (see below), whose sum is σ = 56739236400. Its totient is φ = 54270627840.

The previous prime is 55501214189. The next prime is 55501214243. The reversal of 55501214213 is 31241210555.

It can be written as a sum of positive squares in 8 ways, for example, as 47087044 + 55454127169 = 6862^2 + 235487^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55501214213 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 (55501214243) 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, 26567273 + ... + 26569361.

It is an arithmetic number, because the mean of its divisors is an integer number (3546202275).

Almost surely, 2^55501214213 is an apocalyptic number.

55501214213 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

55501214213 is a deficient number, since it is larger than the sum of its proper divisors (1238022187).

55501214213 is a wasteful number, since it uses less digits than its factorization.

55501214213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3592.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 55501214213 its reverse (31241210555), we get a palindrome (86742424768).

The spelling of 55501214213 in words is "fifty-five billion, five hundred one million, two hundred fourteen thousand, two hundred thirteen".