53912756257 has 2 divisors, whose sum is σ = 53912756258. Its totient is φ = 53912756256.

The previous prime is 53912756243. The next prime is 53912756279. The reversal of 53912756257 is 75265721935.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50186752576 + 3726003681 = 224024^2 + 61041^2 .

It is a cyclic number.

It is not a de Polignac number, because 53912756257 - 2¹⁵ = 53912723489 is a prime.

It is not a weakly prime, because it can be changed into another prime (53912706257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26956378128 + 26956378129.

It is an arithmetic number, because the mean of its divisors is an integer number (26956378129).

Almost surely, 2^53912756257 is an apocalyptic number.

It is an amenable number.

53912756257 is a deficient number, since it is larger than the sum of its proper divisors (1).

53912756257 is an equidigital number, since it uses as much as digits as its factorization.

53912756257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3969000, while the sum is 52.

The spelling of 53912756257 in words is "fifty-three billion, nine hundred twelve million, seven hundred fifty-six thousand, two hundred fifty-seven".