53135272666 has 16 divisors (see below), whose sum is σ = 91099558656. Its totient is φ = 22769629776.

The previous prime is 53135272637. The next prime is 53135272693. The reversal of 53135272666 is 66627253135.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91026 + ... + 338461.

It is an arithmetic number, because the mean of its divisors is an integer number (5693722416).

Almost surely, 2^53135272666 is an apocalyptic number.

53135272666 is a deficient number, since it is larger than the sum of its proper divisors (37964285990).

53135272666 is a wasteful number, since it uses less digits than its factorization.

53135272666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438333.

The product of its digits is 1360800, while the sum is 46.

The spelling of 53135272666 in words is "fifty-three billion, one hundred thirty-five million, two hundred seventy-two thousand, six hundred sixty-six".