53051240523 has 4 divisors (see below), whose sum is σ = 70734987368. Its totient is φ = 35367493680.

The previous prime is 53051240521. The next prime is 53051240531. The reversal of 53051240523 is 32504215035.

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

It is not a de Polignac number, because 53051240523 - 2¹ = 53051240521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53051240521) 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, 8841873418 + ... + 8841873423.

It is an arithmetic number, because the mean of its divisors is an integer number (17683746842).

Almost surely, 2^53051240523 is an apocalyptic number.

53051240523 is a deficient number, since it is larger than the sum of its proper divisors (17683746845).

53051240523 is a wasteful number, since it uses less digits than its factorization.

53051240523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17683746844.

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 53051240523 its reverse (32504215035), we get a palindrome (85555455558).

The spelling of 53051240523 in words is "fifty-three billion, fifty-one million, two hundred forty thousand, five hundred twenty-three".