53820946694 has 4 divisors (see below), whose sum is σ = 80731420044. Its totient is φ = 26910473346.

The previous prime is 53820946693. The next prime is 53820946723. The reversal of 53820946694 is 49664902835.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53820946693) 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 as a sum of consecutive naturals, namely, 13455236672 + ... + 13455236675.

It is an arithmetic number, because the mean of its divisors is an integer number (20182855011).

Almost surely, 2^53820946694 is an apocalyptic number.

53820946694 is a deficient number, since it is larger than the sum of its proper divisors (26910473350).

53820946694 is a wasteful number, since it uses less digits than its factorization.

53820946694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26910473349.

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

The spelling of 53820946694 in words is "fifty-three billion, eight hundred twenty million, nine hundred forty-six thousand, six hundred ninety-four".