53565354646 has 64 divisors (see below), whose sum is σ = 86111004672. Its totient is φ = 24948000000.

The previous prime is 53565354643. The next prime is 53565354679. The reversal of 53565354646 is 64645356535.

It is a junction number, because it is equal to n+sod(n) for n = 53565354593 and 53565354602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53565354641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89126746 + ... + 89127346.

It is an arithmetic number, because the mean of its divisors is an integer number (1345484448).

Almost surely, 2^53565354646 is an apocalyptic number.

53565354646 is a deficient number, since it is larger than the sum of its proper divisors (32545650026).

53565354646 is a wasteful number, since it uses less digits than its factorization.

53565354646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109.

The product of its digits is 19440000, while the sum is 52.

The spelling of 53565354646 in words is "fifty-three billion, five hundred sixty-five million, three hundred fifty-four thousand, six hundred forty-six".