53140788531 has 8 divisors (see below), whose sum is σ = 78727094160. Its totient is φ = 35427192336.

The previous prime is 53140788527. The next prime is 53140788551. The reversal of 53140788531 is 13588704135.

It is a happy number.

53140788531 is a `hidden beast` number, since 5 + 3 + 1 + 40 + 78 + 8 + 531 = 666.

53140788531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53140788531 - 2² = 53140788527 is a prime.

It is a super-2 number, since 2×53140788531² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53140788551) 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, 984088650 + ... + 984088703.

It is an arithmetic number, because the mean of its divisors is an integer number (9840886770).

Almost surely, 2^53140788531 is an apocalyptic number.

53140788531 is a deficient number, since it is larger than the sum of its proper divisors (25586305629).

53140788531 is a wasteful number, since it uses less digits than its factorization.

53140788531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968177362 (or 1968177356 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 53140788531 in words is "fifty-three billion, one hundred forty million, seven hundred eighty-eight thousand, five hundred thirty-one".