55412728267 has 16 divisors (see below), whose sum is σ = 63193671072. Its totient is φ = 48135191040.

The previous prime is 55412728249. The next prime is 55412728271. The reversal of 55412728267 is 76282721455.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55412728267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55412728267.

It is not an unprimeable number, because it can be changed into a prime (55412728367) 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, 2901273 + ... + 2920309.

It is an arithmetic number, because the mean of its divisors is an integer number (3949604442).

Almost surely, 2^55412728267 is an apocalyptic number.

55412728267 is a deficient number, since it is larger than the sum of its proper divisors (7780942805).

55412728267 is a wasteful number, since it uses less digits than its factorization.

55412728267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32238.

The product of its digits is 1881600, while the sum is 49.

The spelling of 55412728267 in words is "fifty-five billion, four hundred twelve million, seven hundred twenty-eight thousand, two hundred sixty-seven".