45721550063 has 16 divisors (see below), whose sum is σ = 54534259200. Its totient is φ = 37479679776.

The previous prime is 45721550057. The next prime is 45721550089. The reversal of 45721550063 is 36005512754.

It is a happy number.

It is not a de Polignac number, because 45721550063 - 2¹⁰ = 45721549039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45721549999 and 45721550026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45721550033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1098356 + ... + 1139222.

It is an arithmetic number, because the mean of its divisors is an integer number (3408391200).

Almost surely, 2^45721550063 is an apocalyptic number.

45721550063 is a deficient number, since it is larger than the sum of its proper divisors (8812709137).

45721550063 is a wasteful number, since it uses less digits than its factorization.

45721550063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47846.

The product of its (nonzero) digits is 126000, while the sum is 38.

The spelling of 45721550063 in words is "forty-five billion, seven hundred twenty-one million, five hundred fifty thousand, sixty-three".