53140502479 has 2 divisors, whose sum is σ = 53140502480. Its totient is φ = 53140502478.

The previous prime is 53140502449. The next prime is 53140502557. The reversal of 53140502479 is 97420504135.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53140502479 - 2¹¹ = 53140500431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53140502449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26570251239 + 26570251240.

It is an arithmetic number, because the mean of its divisors is an integer number (26570251240).

Almost surely, 2^53140502479 is an apocalyptic number.

53140502479 is a deficient number, since it is larger than the sum of its proper divisors (1).

53140502479 is an equidigital number, since it uses as much as digits as its factorization.

53140502479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 53140502479 in words is "fifty-three billion, one hundred forty million, five hundred two thousand, four hundred seventy-nine".