54400475053 has 2 divisors, whose sum is σ = 54400475054. Its totient is φ = 54400475052.

The previous prime is 54400475047. The next prime is 54400475069. The reversal of 54400475053 is 35057400445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53085542409 + 1314932644 = 230403^2 + 36262^2 .

It is a cyclic number.

It is not a de Polignac number, because 54400475053 - 2²⁹ = 53863604141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54400475653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27200237526 + 27200237527.

It is an arithmetic number, because the mean of its divisors is an integer number (27200237527).

Almost surely, 2^54400475053 is an apocalyptic number.

It is an amenable number.

54400475053 is a deficient number, since it is larger than the sum of its proper divisors (1).

54400475053 is an equidigital number, since it uses as much as digits as its factorization.

54400475053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168000, while the sum is 37.

Adding to 54400475053 its reverse (35057400445), we get a palindrome (89457875498).

The spelling of 54400475053 in words is "fifty-four billion, four hundred million, four hundred seventy-five thousand, fifty-three".