53499380747436 has 216 divisors, whose sum is σ = 162850568251280. Its totient is φ = 14677609826304.

The previous prime is 53499380747429. The next prime is 53499380747473. The reversal of 53499380747436 is 63474708399435.

53499380747436 is a `hidden beast` number, since 5 + 3 + 4 + 99 + 38 + 0 + 7 + 474 + 36 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7839511 + ... + 12979086.

Almost surely, 2^{53499380747436} is an apocalyptic number.

It is an amenable number.

53499380747436 is an abundant number, since it is smaller than the sum of its proper divisors (109351187503844).

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

53499380747436 is a wasteful number, since it uses less digits than its factorization.

53499380747436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20818673 (or 20818651 counting only the distinct ones).

The product of its (nonzero) digits is 1646023680, while the sum is 72.

The spelling of 53499380747436 in words is "fifty-three trillion, four hundred ninety-nine billion, three hundred eighty million, seven hundred forty-seven thousand, four hundred thirty-six".