53602954640 has 20 divisors (see below), whose sum is σ = 124626869724. Its totient is φ = 21441181824.

The previous prime is 53602954583. The next prime is 53602954667. The reversal of 53602954640 is 4645920635.

It can be written as a sum of positive squares in 2 ways, for example, as 11615666176 + 41987288464 = 107776^2 + 204908^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×53602954640² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 53602954591 and 53602954600.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 335018387 + ... + 335018546.

Almost surely, 2^53602954640 is an apocalyptic number.

It is an amenable number.

53602954640 is an abundant number, since it is smaller than the sum of its proper divisors (71023915084).

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

53602954640 is a wasteful number, since it uses less digits than its factorization.

53602954640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670036946 (or 670036940 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 53602954640 in words is "fifty-three billion, six hundred two million, nine hundred fifty-four thousand, six hundred forty".