54511400399 has 2 divisors, whose sum is σ = 54511400400. Its totient is φ = 54511400398.

The previous prime is 54511400393. The next prime is 54511400423. The reversal of 54511400399 is 99300411545.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54511400399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54511400393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27255700199 + 27255700200.

It is an arithmetic number, because the mean of its divisors is an integer number (27255700200).

Almost surely, 2^54511400399 is an apocalyptic number.

54511400399 is a deficient number, since it is larger than the sum of its proper divisors (1).

54511400399 is an equidigital number, since it uses as much as digits as its factorization.

54511400399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 41.

The spelling of 54511400399 in words is "fifty-four billion, five hundred eleven million, four hundred thousand, three hundred ninety-nine".