53140505923 has 8 divisors (see below), whose sum is σ = 53748153360. Its totient is φ = 52534456800.

The previous prime is 53140505909. The next prime is 53140505947. The reversal of 53140505923 is 32950504135.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53140505923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53140505903) 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, 332640 + ... + 465757.

It is an arithmetic number, because the mean of its divisors is an integer number (6718519170).

Almost surely, 2^53140505923 is an apocalyptic number.

53140505923 is a deficient number, since it is larger than the sum of its proper divisors (607647437).

53140505923 is a wasteful number, since it uses less digits than its factorization.

53140505923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799157.

The product of its (nonzero) digits is 81000, while the sum is 37.

The spelling of 53140505923 in words is "fifty-three billion, one hundred forty million, five hundred five thousand, nine hundred twenty-three".