54645281606525 has 24 divisors (see below), whose sum is σ = 71441701768800. Its totient is φ = 41348464200000.

The previous prime is 54645281606477. The next prime is 54645281606527. The reversal of 54645281606525 is 52560618254645.

It is a happy number.

It is not a de Polignac number, because 54645281606525 - 2⁸ = 54645281606269 is a prime.

It is a super-2 number, since 2×54645281606525² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54645281606527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92632226 + ... + 93220275.

It is an arithmetic number, because the mean of its divisors is an integer number (2976737573700).

Almost surely, 2^{54645281606525} is an apocalyptic number.

It is an amenable number.

54645281606525 is a deficient number, since it is larger than the sum of its proper divisors (16796420162275).

54645281606525 is a wasteful number, since it uses less digits than its factorization.

54645281606525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185853149 (or 185853144 counting only the distinct ones).

The product of its (nonzero) digits is 69120000, while the sum is 59.

The spelling of 54645281606525 in words is "fifty-four trillion, six hundred forty-five billion, two hundred eighty-one million, six hundred six thousand, five hundred twenty-five".