53646886460 has 48 divisors (see below), whose sum is σ = 118636694400. Its totient is φ = 20320974144.

The previous prime is 53646886459. The next prime is 53646886463. The reversal of 53646886460 is 6468864635.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 53646886396 and 53646886405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53646886463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 937019 + ... + 992621.

It is an arithmetic number, because the mean of its divisors is an integer number (2471597800).

Almost surely, 2^53646886460 is an apocalyptic number.

It is an amenable number.

53646886460 is an abundant number, since it is smaller than the sum of its proper divisors (64989807940).

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

53646886460 is a wasteful number, since it uses less digits than its factorization.

53646886460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58170 (or 58168 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 56.

The spelling of 53646886460 in words is "fifty-three billion, six hundred forty-six million, eight hundred eighty-six thousand, four hundred sixty".