52730526653 has 24 divisors (see below), whose sum is σ = 64337893632. Its totient is φ = 43040307744.

The previous prime is 52730526649. The next prime is 52730526697. The reversal of 52730526653 is 35662503725.

It is not a de Polignac number, because 52730526653 - 2² = 52730526649 is a prime.

It is a super-2 number, since 2×52730526653² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52730526053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 224201 + ... + 394622.

It is an arithmetic number, because the mean of its divisors is an integer number (2680745568).

Almost surely, 2^52730526653 is an apocalyptic number.

It is an amenable number.

52730526653 is a deficient number, since it is larger than the sum of its proper divisors (11607366979).

52730526653 is a wasteful number, since it uses less digits than its factorization.

52730526653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618921 (or 618914 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 44.

The spelling of 52730526653 in words is "fifty-two billion, seven hundred thirty million, five hundred twenty-six thousand, six hundred fifty-three".