57550437363437 has 2 divisors, whose sum is σ = 57550437363438. Its totient is φ = 57550437363436.

The previous prime is 57550437363421. The next prime is 57550437363449. The reversal of 57550437363437 is 73436373405575.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57524048660521 + 26388702916 = 7584461^2 + 162446^2 .

It is a cyclic number.

It is not a de Polignac number, because 57550437363437 - 2⁴ = 57550437363421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57550437363437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57550437363407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28775218681718 + 28775218681719.

It is an arithmetic number, because the mean of its divisors is an integer number (28775218681719).

Almost surely, 2^{57550437363437} is an apocalyptic number.

It is an amenable number.

57550437363437 is a deficient number, since it is larger than the sum of its proper divisors (1).

57550437363437 is an equidigital number, since it uses as much as digits as its factorization.

57550437363437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 333396000, while the sum is 62.

The spelling of 57550437363437 in words is "fifty-seven trillion, five hundred fifty billion, four hundred thirty-seven million, three hundred sixty-three thousand, four hundred thirty-seven".