55761211216 has 20 divisors (see below), whose sum is σ = 114392485332. Its totient is φ = 26240569856.

The previous prime is 55761211211. The next prime is 55761211241. The reversal of 55761211216 is 61211216755.

55761211216 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 31392752400 + 24368458816 = 177180^2 + 156104^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55761211211) 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, 102501955 + ... + 102502498.

Almost surely, 2^55761211216 is an apocalyptic number.

It is an amenable number.

55761211216 is an abundant number, since it is smaller than the sum of its proper divisors (58631274116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55761211216 is a wasteful number, since it uses less digits than its factorization.

55761211216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205004478 (or 205004472 counting only the distinct ones).

The product of its digits is 25200, while the sum is 37.

The spelling of 55761211216 in words is "fifty-five billion, seven hundred sixty-one million, two hundred eleven thousand, two hundred sixteen".