53421350665432 has 32 divisors (see below), whose sum is σ = 103258125046800. Its totient is φ = 25898254032384.

The previous prime is 53421350665429. The next prime is 53421350665477. The reversal of 53421350665432 is 23456605312435.

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, 775176693 + ... + 775245604.

Almost surely, 2^{53421350665432} is an apocalyptic number.

It is an amenable number.

53421350665432 is a deficient number, since it is larger than the sum of its proper divisors (49836774381368).

53421350665432 is a wasteful number, since it uses less digits than its factorization.

53421350665432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550422435 (or 1550422431 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 49.

Adding to 53421350665432 its reverse (23456605312435), we get a palindrome (76877955977867).

The spelling of 53421350665432 in words is "fifty-three trillion, four hundred twenty-one billion, three hundred fifty million, six hundred sixty-five thousand, four hundred thirty-two".