53303061564 has 36 divisors (see below), whose sum is σ = 134752775976. Its totient is φ = 17765777568.

The previous prime is 53303061551. The next prime is 53303061583. The reversal of 53303061564 is 46516030335.

53303061564 is a `hidden beast` number, since 5 + 3 + 3 + 0 + 30 + 61 + 564 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 282622 + ... + 431834.

It is an arithmetic number, because the mean of its divisors is an integer number (3743132666).

Almost surely, 2^53303061564 is an apocalyptic number.

It is an amenable number.

53303061564 is an abundant number, since it is smaller than the sum of its proper divisors (81449714412).

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

53303061564 is a wasteful number, since it uses less digits than its factorization.

53303061564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159146 (or 159141 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

Adding to 53303061564 its reverse (46516030335), we get a palindrome (99819091899).

The spelling of 53303061564 in words is "fifty-three billion, three hundred three million, sixty-one thousand, five hundred sixty-four".