53248455621 has 56 divisors (see below), whose sum is σ = 80582955200. Its totient is φ = 35168639616.

The previous prime is 53248455619. The next prime is 53248455641. The reversal of 53248455621 is 12655484235.

53248455621 is a `hidden beast` number, since 5 + 3 + 2 + 4 + 84 + 5 + 562 + 1 = 666.

It is not a de Polignac number, because 53248455621 - 2¹ = 53248455619 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53248455641) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 41054445 + ... + 41055741.

Almost surely, 2^53248455621 is an apocalyptic number.

It is an amenable number.

53248455621 is a deficient number, since it is larger than the sum of its proper divisors (27334499579).

53248455621 is a wasteful number, since it uses less digits than its factorization.

53248455621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1797 (or 1782 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 45.

The spelling of 53248455621 in words is "fifty-three billion, two hundred forty-eight million, four hundred fifty-five thousand, six hundred twenty-one".