45544417551 has 12 divisors (see below), whose sum is σ = 65815050912. Its totient is φ = 30349712736.

The previous prime is 45544417519. The next prime is 45544417561. The reversal of 45544417551 is 15571444554.

45544417551 is a `hidden beast` number, since 4 + 5 + 54 + 4 + 41 + 7 + 551 = 666.

It is not a de Polignac number, because 45544417551 - 2⁵ = 45544417519 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 45544417497 and 45544417506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45544417561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1080871 + ... + 1122216.

It is an arithmetic number, because the mean of its divisors is an integer number (5484587576).

Almost surely, 2^45544417551 is an apocalyptic number.

45544417551 is a deficient number, since it is larger than the sum of its proper divisors (20270633361).

45544417551 is a wasteful number, since it uses less digits than its factorization.

45544417551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2205390 (or 2205387 counting only the distinct ones).

The product of its digits is 1120000, while the sum is 45.

The spelling of 45544417551 in words is "forty-five billion, five hundred forty-four million, four hundred seventeen thousand, five hundred fifty-one".