45551300521 has 8 divisors (see below), whose sum is σ = 49065076224. Its totient is φ = 42165298560.

The previous prime is 45551300513. The next prime is 45551300527. The reversal of 45551300521 is 12500315554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45551300521 - 2³ = 45551300513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45551300527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31942696 + ... + 31944121.

It is an arithmetic number, because the mean of its divisors is an integer number (6133134528).

Almost surely, 2^45551300521 is an apocalyptic number.

It is an amenable number.

45551300521 is a deficient number, since it is larger than the sum of its proper divisors (3513775703).

45551300521 is a wasteful number, since it uses less digits than its factorization.

45551300521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63886871.

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 45551300521 in words is "forty-five billion, five hundred fifty-one million, three hundred thousand, five hundred twenty-one".