53662172436644 has 24 divisors (see below), whose sum is σ = 98356074949440. Its totient is φ = 25569110113184.

The previous prime is 53662172436623. The next prime is 53662172436673. The reversal of 53662172436644 is 44663427126635.

It is a happy number.

It is a super-3 number, since 3×53662172436644³ (a number of 42 digits) contains 333 as substring.

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, 1084147154 + ... + 1084196649.

It is an arithmetic number, because the mean of its divisors is an integer number (4098169789560).

Almost surely, 2^{53662172436644} is an apocalyptic number.

It is an amenable number.

53662172436644 is a deficient number, since it is larger than the sum of its proper divisors (44693902512796).

53662172436644 is a wasteful number, since it uses less digits than its factorization.

53662172436644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2168344099 (or 2168344097 counting only the distinct ones).

The product of its digits is 104509440, while the sum is 59.

The spelling of 53662172436644 in words is "fifty-three trillion, six hundred sixty-two billion, one hundred seventy-two million, four hundred thirty-six thousand, six hundred forty-four".