55512061207 has 4 divisors (see below), whose sum is σ = 56293921296. Its totient is φ = 54730201120.

The previous prime is 55512061183. The next prime is 55512061211. The reversal of 55512061207 is 70216021555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70216021555 = 5 ⋅14043204311.

It is a cyclic number.

It is not a de Polignac number, because 55512061207 - 2¹¹ = 55512059159 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 (55512061237) 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, 390929938 + ... + 390930079.

It is an arithmetic number, because the mean of its divisors is an integer number (14073480324).

Almost surely, 2^55512061207 is an apocalyptic number.

55512061207 is a deficient number, since it is larger than the sum of its proper divisors (781860089).

55512061207 is an equidigital number, since it uses as much as digits as its factorization.

55512061207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781860088.

The product of its (nonzero) digits is 21000, while the sum is 34.

The spelling of 55512061207 in words is "fifty-five billion, five hundred twelve million, sixty-one thousand, two hundred seven".