53359507621 has 8 divisors (see below), whose sum is σ = 60991009344. Its totient is φ = 45730184640.

The previous prime is 53359507613. The next prime is 53359507633. The reversal of 53359507621 is 12670595335.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53359507621 - 2³ = 53359507613 is a prime.

It is a super-3 number, since 3×53359507621³ (a number of 33 digits) contains 333 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 (53359507661) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 491860 + ... + 590461.

It is an arithmetic number, because the mean of its divisors is an integer number (7623876168).

Almost surely, 2^53359507621 is an apocalyptic number.

It is an amenable number.

53359507621 is a deficient number, since it is larger than the sum of its proper divisors (7631501723).

53359507621 is a wasteful number, since it uses less digits than its factorization.

53359507621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089371.

The product of its (nonzero) digits is 850500, while the sum is 46.

The spelling of 53359507621 in words is "fifty-three billion, three hundred fifty-nine million, five hundred seven thousand, six hundred twenty-one".