53666544342 has 16 divisors (see below), whose sum is σ = 107337498480. Its totient is φ = 17888113152.

The previous prime is 53666544331. The next prime is 53666544361. The reversal of 53666544342 is 24344566635.

It is a super-2 number, since 2×53666544342² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53666544291 and 53666544300.

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, 13383 + ... + 327890.

It is an arithmetic number, because the mean of its divisors is an integer number (6708593655).

Almost surely, 2^53666544342 is an apocalyptic number.

53666544342 is an abundant number, since it is smaller than the sum of its proper divisors (53670954138).

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

53666544342 is a wasteful number, since it uses less digits than its factorization.

53666544342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367487.

The product of its digits is 6220800, while the sum is 48.

The spelling of 53666544342 in words is "fifty-three billion, six hundred sixty-six million, five hundred forty-four thousand, three hundred forty-two".