55216352552 has 16 divisors (see below), whose sum is σ = 103560017940. Its totient is φ = 27600347776.

The previous prime is 55216352533. The next prime is 55216352557. The reversal of 55216352552 is 25525361255.

55216352552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 53456214436 + 1760138116 = 231206^2 + 41954^2 .

It is not an unprimeable number, because it can be changed into a prime (55216352557) 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, 948533 + ... + 1005060.

Almost surely, 2^55216352552 is an apocalyptic number.

It is an amenable number.

55216352552 is a deficient number, since it is larger than the sum of its proper divisors (48343665388).

55216352552 is a wasteful number, since it uses less digits than its factorization.

55216352552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957132 (or 1957128 counting only the distinct ones).

The product of its digits is 450000, while the sum is 41.

The spelling of 55216352552 in words is "fifty-five billion, two hundred sixteen million, three hundred fifty-two thousand, five hundred fifty-two".