54250515533 has 2 divisors, whose sum is σ = 54250515534. Its totient is φ = 54250515532.

The previous prime is 54250515511. The next prime is 54250515547. The reversal of 54250515533 is 33551505245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31685068009 + 22565447524 = 178003^2 + 150218^2 .

It is a cyclic number.

It is not a de Polignac number, because 54250515533 - 2⁶ = 54250515469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54250515593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27125257766 + 27125257767.

It is an arithmetic number, because the mean of its divisors is an integer number (27125257767).

Almost surely, 2^54250515533 is an apocalyptic number.

It is an amenable number.

54250515533 is a deficient number, since it is larger than the sum of its proper divisors (1).

54250515533 is an equidigital number, since it uses as much as digits as its factorization.

54250515533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225000, while the sum is 38.

The spelling of 54250515533 in words is "fifty-four billion, two hundred fifty million, five hundred fifteen thousand, five hundred thirty-three".