55212151307 has 2 divisors, whose sum is σ = 55212151308. Its totient is φ = 55212151306.

The previous prime is 55212151301. The next prime is 55212151327. The reversal of 55212151307 is 70315121255.

55212151307 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55212151307 - 2²⁰ = 55211102731 is a prime.

It is a super-3 number, since 3×55212151307³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (55212151301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27606075653 + 27606075654.

It is an arithmetic number, because the mean of its divisors is an integer number (27606075654).

Almost surely, 2^55212151307 is an apocalyptic number.

55212151307 is a deficient number, since it is larger than the sum of its proper divisors (1).

55212151307 is an equidigital number, since it uses as much as digits as its factorization.

55212151307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10500, while the sum is 32.

The spelling of 55212151307 in words is "fifty-five billion, two hundred twelve million, one hundred fifty-one thousand, three hundred seven".