53971993103 has 12 divisors (see below), whose sum is σ = 62812684440. Its totient is φ = 46240386192.

The previous prime is 53971993087. The next prime is 53971993109. The reversal of 53971993103 is 30139917935.

It is not a de Polignac number, because 53971993103 - 2⁴ = 53971993087 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 (53971993109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145976 + ... + 359517.

It is an arithmetic number, because the mean of its divisors is an integer number (5234390370).

Almost surely, 2^53971993103 is an apocalyptic number.

53971993103 is a deficient number, since it is larger than the sum of its proper divisors (8840691337).

53971993103 is a wasteful number, since it uses less digits than its factorization.

53971993103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507686 (or 507679 counting only the distinct ones).

The product of its (nonzero) digits is 688905, while the sum is 50.

The spelling of 53971993103 in words is "fifty-three billion, nine hundred seventy-one million, nine hundred ninety-three thousand, one hundred three".