53662143446 has 16 divisors (see below), whose sum is σ = 80711161344. Its totient is φ = 26758512744.

The previous prime is 53662143421. The next prime is 53662143463. The reversal of 53662143446 is 64434126635.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 53662143397 and 53662143406.

It is a congruent number.

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, 1220375 + ... + 1263581.

It is an arithmetic number, because the mean of its divisors is an integer number (5044447584).

Almost surely, 2^53662143446 is an apocalyptic number.

53662143446 is a deficient number, since it is larger than the sum of its proper divisors (27049017898).

53662143446 is a wasteful number, since it uses less digits than its factorization.

53662143446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44875.

The product of its digits is 1244160, while the sum is 44.

The spelling of 53662143446 in words is "fifty-three billion, six hundred sixty-two million, one hundred forty-three thousand, four hundred forty-six".