54166350527 has 2 divisors, whose sum is σ = 54166350528. Its totient is φ = 54166350526.

The previous prime is 54166350523. The next prime is 54166350547. The reversal of 54166350527 is 72505366145.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54166350527 - 2² = 54166350523 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54166350523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27083175263 + 27083175264.

It is an arithmetic number, because the mean of its divisors is an integer number (27083175264).

Almost surely, 2^54166350527 is an apocalyptic number.

54166350527 is a deficient number, since it is larger than the sum of its proper divisors (1).

54166350527 is an equidigital number, since it uses as much as digits as its factorization.

54166350527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756000, while the sum is 44.

The spelling of 54166350527 in words is "fifty-four billion, one hundred sixty-six million, three hundred fifty thousand, five hundred twenty-seven".