54625686466 has 24 divisors (see below), whose sum is σ = 88791713460. Its totient is φ = 25193278656.

The previous prime is 54625686461. The next prime is 54625686523. The reversal of 54625686466 is 66468652645.

It can be written as a sum of positive squares in 6 ways, for example, as 21779561241 + 32846125225 = 147579^2 + 181235^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 54625686466.

It is not an unprimeable number, because it can be changed into a prime (54625686461) 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, 405220 + ... + 522928.

Almost surely, 2^54625686466 is an apocalyptic number.

54625686466 is a deficient number, since it is larger than the sum of its proper divisors (34166026994).

54625686466 is a wasteful number, since it uses less digits than its factorization.

54625686466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119110 (or 119097 counting only the distinct ones).

The product of its digits is 49766400, while the sum is 58.

The spelling of 54625686466 in words is "fifty-four billion, six hundred twenty-five million, six hundred eighty-six thousand, four hundred sixty-six".