53662143406 has 8 divisors (see below), whose sum is σ = 82456464384. Its totient is φ = 26176655280.

The previous prime is 53662143397. The next prime is 53662143421. The reversal of 53662143406 is 60434126635.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×53662143406² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327208110 + ... + 327208273.

It is an arithmetic number, because the mean of its divisors is an integer number (10307058048).

Almost surely, 2^53662143406 is an apocalyptic number.

53662143406 is a deficient number, since it is larger than the sum of its proper divisors (28794320978).

53662143406 is a wasteful number, since it uses less digits than its factorization.

53662143406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654416426.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 53662143406 in words is "fifty-three billion, six hundred sixty-two million, one hundred forty-three thousand, four hundred six".