55275222276 has 18 divisors (see below), whose sum is σ = 139723478622. Its totient is φ = 18425074080.

The previous prime is 55275222253. The next prime is 55275222287. The reversal of 55275222276 is 67222257255.

55275222276 is a `hidden beast` number, since 5 + 52 + 7 + 522 + 2 + 2 + 76 = 666.

55275222276 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 only one way, i.e., 49007333376 + 6267888900 = 221376^2 + 79170^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×55275222276² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 767711385 + ... + 767711456.

It is an arithmetic number, because the mean of its divisors is an integer number (7762415479).

Almost surely, 2^55275222276 is an apocalyptic number.

It is an amenable number.

55275222276 is an abundant number, since it is smaller than the sum of its proper divisors (84448256346).

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

55275222276 is a wasteful number, since it uses less digits than its factorization.

55275222276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535422851 (or 1535422846 counting only the distinct ones).

The product of its digits is 1176000, while the sum is 45.

The spelling of 55275222276 in words is "fifty-five billion, two hundred seventy-five million, two hundred twenty-two thousand, two hundred seventy-six".