53660949842 has 16 divisors (see below), whose sum is σ = 87460972800. Its totient is φ = 24598397520.

The previous prime is 53660949841. The next prime is 53660949877. The reversal of 53660949842 is 24894906635.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (53660949841) 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 7 ways as a sum of consecutive naturals, for example, 22775117 + ... + 22777472.

It is an arithmetic number, because the mean of its divisors is an integer number (5466310800).

Almost surely, 2^53660949842 is an apocalyptic number.

53660949842 is a deficient number, since it is larger than the sum of its proper divisors (33800022958).

53660949842 is a wasteful number, since it uses less digits than its factorization.

53660949842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45552641.

The product of its (nonzero) digits is 11197440, while the sum is 56.

The spelling of 53660949842 in words is "fifty-three billion, six hundred sixty million, nine hundred forty-nine thousand, eight hundred forty-two".