55066262436 has 36 divisors (see below), whose sum is σ = 147383233452. Its totient is φ = 17275689984.

The previous prime is 55066262423. The next prime is 55066262437. The reversal of 55066262436 is 63426266055.

55066262436 is a `hidden beast` number, since 550 + 6 + 6 + 2 + 62 + 4 + 36 = 666.

55066262436 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 27920404836 + 27145857600 = 167094^2 + 164760^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 55066262391 and 55066262400.

It is not an unprimeable number, because it can be changed into a prime (55066262437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44988165 + ... + 44989388.

It is an arithmetic number, because the mean of its divisors is an integer number (4093978707).

Almost surely, 2^55066262436 is an apocalyptic number.

It is an amenable number.

55066262436 is an abundant number, since it is smaller than the sum of its proper divisors (92316971016).

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

55066262436 is a wasteful number, since it uses less digits than its factorization.

55066262436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89977580 (or 89977575 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

The spelling of 55066262436 in words is "fifty-five billion, sixty-six million, two hundred sixty-two thousand, four hundred thirty-six".