52140799957 has 2 divisors, whose sum is σ = 52140799958. Its totient is φ = 52140799956.

The previous prime is 52140799939. The next prime is 52140799979. The reversal of 52140799957 is 75999704125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37750158436 + 14390641521 = 194294^2 + 119961^2 .

It is a cyclic number.

It is not a de Polignac number, because 52140799957 - 2¹⁹ = 52140275669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52140799927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26070399978 + 26070399979.

It is an arithmetic number, because the mean of its divisors is an integer number (26070399979).

Almost surely, 2^52140799957 is an apocalyptic number.

It is an amenable number.

52140799957 is a deficient number, since it is larger than the sum of its proper divisors (1).

52140799957 is an equidigital number, since it uses as much as digits as its factorization.

52140799957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7144200, while the sum is 58.

The spelling of 52140799957 in words is "fifty-two billion, one hundred forty million, seven hundred ninety-nine thousand, nine hundred fifty-seven".