53482221646812 has 576 divisors, whose sum is σ = 170057427456000. Its totient is φ = 14232941319168.

The previous prime is 53482221646787. The next prime is 53482221646831. The reversal of 53482221646812 is 21864612228435.

53482221646812 is a `hidden beast` number, since 5 + 3 + 482 + 2 + 21 + 64 + 6 + 81 + 2 = 666.

It is a super-3 number, since 3×53482221646812³ (a number of 42 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2306350114 + ... + 2306373302.

Almost surely, 2^{53482221646812} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53482221646812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85028713728000).

53482221646812 is an abundant number, since it is smaller than the sum of its proper divisors (116575205809188).

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

53482221646812 is a wasteful number, since it uses less digits than its factorization.

53482221646812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23407 (or 23376 counting only the distinct ones).

The product of its digits is 8847360, while the sum is 54.

The spelling of 53482221646812 in words is "fifty-three trillion, four hundred eighty-two billion, two hundred twenty-one million, six hundred forty-six thousand, eight hundred twelve".