54166350529 has 4 divisors (see below), whose sum is σ = 54339406276. Its totient is φ = 53993294784.

The previous prime is 54166350527. The next prime is 54166350547. The reversal of 54166350529 is 92505366145.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2047743504 + 52118607025 = 45252^2 + 228295^2 .

It is a cyclic number.

It is not a de Polignac number, because 54166350529 - 2¹ = 54166350527 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54166350523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86527404 + ... + 86528029.

It is an arithmetic number, because the mean of its divisors is an integer number (13584851569).

Almost surely, 2^54166350529 is an apocalyptic number.

It is an amenable number.

54166350529 is a deficient number, since it is larger than the sum of its proper divisors (173055747).

54166350529 is a wasteful number, since it uses less digits than its factorization.

54166350529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173055746.

The product of its (nonzero) digits is 972000, while the sum is 46.

The spelling of 54166350529 in words is "fifty-four billion, one hundred sixty-six million, three hundred fifty thousand, five hundred twenty-nine".