53140020513 has 8 divisors (see below), whose sum is σ = 71707015968. Its totient is φ = 34999852704.

The previous prime is 53140020443. The next prime is 53140020547. The reversal of 53140020513 is 31502004135.

53140020513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 53140020513 - 2⁹ = 53140020001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53140022513) 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, 106706620 + ... + 106707117.

It is an arithmetic number, because the mean of its divisors is an integer number (8963376996).

Almost surely, 2^53140020513 is an apocalyptic number.

It is an amenable number.

53140020513 is a deficient number, since it is larger than the sum of its proper divisors (18566995455).

53140020513 is a wasteful number, since it uses less digits than its factorization.

53140020513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213413823.

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 53140020513 its reverse (31502004135), we get a palindrome (84642024648).

The spelling of 53140020513 in words is "fifty-three billion, one hundred forty million, twenty thousand, five hundred thirteen".