45543551 has 8 divisors (see below), whose sum is σ = 48013680. Its totient is φ = 43080768.

The previous prime is 45543539. The next prime is 45543571. The reversal of 45543551 is 15534554.

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 45543551 - 2¹⁰ = 45542527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45543571) 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 7 ways as a sum of consecutive naturals, for example, 14885 + ... + 17681.

It is an arithmetic number, because the mean of its divisors is an integer number (6001710).

Almost surely, 2^45543551 is an apocalyptic number.

45543551 is a deficient number, since it is larger than the sum of its proper divisors (2470129).

45543551 is a wasteful number, since it uses less digits than its factorization.

45543551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3673.

The product of its digits is 30000, while the sum is 32.

The square root of 45543551 is about 6748.5962244010. The cubic root of 45543551 is about 357.1157159794.

The spelling of 45543551 in words is "forty-five million, five hundred forty-three thousand, five hundred fifty-one".