53498470221 has 80 divisors (see below), whose sum is σ = 97041922560. Its totient is φ = 28690290720.

The previous prime is 53498470213. The next prime is 53498470243. The reversal of 53498470221 is 12207489435.

53498470221 is a `hidden beast` number, since 5 + 349 + 84 + 7 + 0 + 221 = 666.

It is not a de Polignac number, because 53498470221 - 2³ = 53498470213 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53498470321) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1129506 + ... + 1175916.

It is an arithmetic number, because the mean of its divisors is an integer number (1213024032).

Almost surely, 2^53498470221 is an apocalyptic number.

It is an amenable number.

53498470221 is a deficient number, since it is larger than the sum of its proper divisors (43543452339).

53498470221 is a wasteful number, since it uses less digits than its factorization.

53498470221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46556 (or 46547 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 53498470221 in words is "fifty-three billion, four hundred ninety-eight million, four hundred seventy thousand, two hundred twenty-one".