53660476621 has 8 divisors (see below), whose sum is σ = 54115823520. Its totient is φ = 53206858608.

The previous prime is 53660476613. The next prime is 53660476651. The reversal of 53660476621 is 12667406635.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53660476621 - 2³ = 53660476613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53660476601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369846 + ... + 494071.

It is an arithmetic number, because the mean of its divisors is an integer number (6764477940).

Almost surely, 2^53660476621 is an apocalyptic number.

It is an amenable number.

53660476621 is a deficient number, since it is larger than the sum of its proper divisors (455346899).

53660476621 is a wasteful number, since it uses less digits than its factorization.

53660476621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864443.

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 53660476621 in words is "fifty-three billion, six hundred sixty million, four hundred seventy-six thousand, six hundred twenty-one".