53988440476 has 12 divisors (see below), whose sum is σ = 97527505600. Its totient is φ = 26123438880.

The previous prime is 53988440453. The next prime is 53988440479. The reversal of 53988440476 is 67404488935.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 53988440476.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53988440479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217695201 + ... + 217695448.

Almost surely, 2^53988440476 is an apocalyptic number.

It is an amenable number.

53988440476 is a deficient number, since it is larger than the sum of its proper divisors (43539065124).

53988440476 is a wasteful number, since it uses less digits than its factorization.

53988440476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435390684 (or 435390682 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 58.

The spelling of 53988440476 in words is "fifty-three billion, nine hundred eighty-eight million, four hundred forty thousand, four hundred seventy-six".