53952720373 has 4 divisors (see below), whose sum is σ = 56298490848. Its totient is φ = 51606949900.

The previous prime is 53952720343. The next prime is 53952720379. The reversal of 53952720373 is 37302725935.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53952720373 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 (53952720379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1172885203 + ... + 1172885248.

It is an arithmetic number, because the mean of its divisors is an integer number (14074622712).

Almost surely, 2^53952720373 is an apocalyptic number.

It is an amenable number.

53952720373 is a deficient number, since it is larger than the sum of its proper divisors (2345770475).

53952720373 is a wasteful number, since it uses less digits than its factorization.

53952720373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2345770474.

The product of its (nonzero) digits is 1190700, while the sum is 46.

The spelling of 53952720373 in words is "fifty-three billion, nine hundred fifty-two million, seven hundred twenty thousand, three hundred seventy-three".