54520200457 has 2 divisors, whose sum is σ = 54520200458. Its totient is φ = 54520200456.

The previous prime is 54520200443. The next prime is 54520200491. The reversal of 54520200457 is 75400202545.

It is an a-pointer prime, because the next prime (54520200491) can be obtained adding 54520200457 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54166045696 + 354154761 = 232736^2 + 18819^2 .

It is a cyclic number.

It is not a de Polignac number, because 54520200457 - 2³⁵ = 20160462089 is a prime.

It is not a weakly prime, because it can be changed into another prime (54520200407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27260100228 + 27260100229.

It is an arithmetic number, because the mean of its divisors is an integer number (27260100229).

Almost surely, 2^54520200457 is an apocalyptic number.

It is an amenable number.

54520200457 is a deficient number, since it is larger than the sum of its proper divisors (1).

54520200457 is an equidigital number, since it uses as much as digits as its factorization.

54520200457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56000, while the sum is 34.

The spelling of 54520200457 in words is "fifty-four billion, five hundred twenty million, two hundred thousand, four hundred fifty-seven".