55212016075 has 12 divisors (see below), whose sum is σ = 68882922808. Its totient is φ = 43898630400.

The previous prime is 55212016061. The next prime is 55212016081. The reversal of 55212016075 is 57061021255.

55212016075 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-55212016075 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 55212016075.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6770406 + ... + 6778555.

Almost surely, 2^55212016075 is an apocalyptic number.

55212016075 is a deficient number, since it is larger than the sum of its proper divisors (13670906733).

55212016075 is a wasteful number, since it uses less digits than its factorization.

55212016075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13549134 (or 13549129 counting only the distinct ones).

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

The spelling of 55212016075 in words is "fifty-five billion, two hundred twelve million, sixteen thousand, seventy-five".