54690644808 has 48 divisors (see below), whose sum is σ = 148213557180. Its totient is φ = 18218761344.

The previous prime is 54690644759. The next prime is 54690644831. The reversal of 54690644808 is 80844609645.

54690644808 is a `hidden beast` number, since 546 + 90 + 6 + 4 + 4 + 8 + 0 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 53785958724 + 904686084 = 231918^2 + 30078^2 .

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, 122835 + ... + 352802.

Almost surely, 2^54690644808 is an apocalyptic number.

It is an amenable number.

54690644808 is an abundant number, since it is smaller than the sum of its proper divisors (93522912372).

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

54690644808 is a wasteful number, since it uses less digits than its factorization.

54690644808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477246 (or 477239 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The spelling of 54690644808 in words is "fifty-four billion, six hundred ninety million, six hundred forty-four thousand, eight hundred eight".