52540240250551 has 2 divisors, whose sum is σ = 52540240250552. Its totient is φ = 52540240250550.

The previous prime is 52540240250507. The next prime is 52540240250651. The reversal of 52540240250551 is 15505204204525.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52540240250551 - 2⁷ = 52540240250423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52540240250051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26270120125275 + 26270120125276.

It is an arithmetic number, because the mean of its divisors is an integer number (26270120125276).

Almost surely, 2^{52540240250551} is an apocalyptic number.

52540240250551 is a deficient number, since it is larger than the sum of its proper divisors (1).

52540240250551 is an equidigital number, since it uses as much as digits as its factorization.

52540240250551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 400000, while the sum is 40.

The spelling of 52540240250551 in words is "fifty-two trillion, five hundred forty billion, two hundred forty million, two hundred fifty thousand, five hundred fifty-one".