54320520200357 has 2 divisors, whose sum is σ = 54320520200358. Its totient is φ = 54320520200356.

The previous prime is 54320520200299. The next prime is 54320520200369. The reversal of 54320520200357 is 75300202502345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53133398818756 + 1187121381601 = 7289266^2 + 1089551^2 .

It is a cyclic number.

It is not a de Polignac number, because 54320520200357 - 2¹⁰ = 54320520199333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54320520200357.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54320520230357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27160260100178 + 27160260100179.

It is an arithmetic number, because the mean of its divisors is an integer number (27160260100179).

Almost surely, 2^{54320520200357} is an apocalyptic number.

It is an amenable number.

54320520200357 is a deficient number, since it is larger than the sum of its proper divisors (1).

54320520200357 is an equidigital number, since it uses as much as digits as its factorization.

54320520200357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252000, while the sum is 38.

The spelling of 54320520200357 in words is "fifty-four trillion, three hundred twenty billion, five hundred twenty million, two hundred thousand, three hundred fifty-seven".