53650524421 has 8 divisors (see below), whose sum is σ = 57784268024. Its totient is φ = 49517749440.

The previous prime is 53650524413. The next prime is 53650524439. The reversal of 53650524421 is 12442505635.

It can be written as a sum of positive squares in 4 ways, for example, as 9032411521 + 44618112900 = 95039^2 + 211230^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 53650524421 - 2³ = 53650524413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53650594421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125010 + ... + 350611.

It is an arithmetic number, because the mean of its divisors is an integer number (7223033503).

Almost surely, 2^53650524421 is an apocalyptic number.

It is an amenable number.

53650524421 is a deficient number, since it is larger than the sum of its proper divisors (4133743603).

53650524421 is a wasteful number, since it uses less digits than its factorization.

53650524421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484311.

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 53650524421 in words is "fifty-three billion, six hundred fifty million, five hundred twenty-four thousand, four hundred twenty-one".