53530305646 has 16 divisors (see below), whose sum is σ = 81026996976. Its totient is φ = 26522009536.

The previous prime is 53530305623. The next prime is 53530305649. The reversal of 53530305646 is 64650303535.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 53530305599 and 53530305608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53530305649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22756 + ... + 327991.

It is an arithmetic number, because the mean of its divisors is an integer number (5064187311).

Almost surely, 2^53530305646 is an apocalyptic number.

53530305646 is a deficient number, since it is larger than the sum of its proper divisors (27496691330).

53530305646 is a wasteful number, since it uses less digits than its factorization.

53530305646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351443.

The product of its (nonzero) digits is 486000, while the sum is 40.

The spelling of 53530305646 in words is "fifty-three billion, five hundred thirty million, three hundred five thousand, six hundred forty-six".