45551547 has 12 divisors (see below), whose sum is σ = 68065920. Its totient is φ = 29320368.

The previous prime is 45551537. The next prime is 45551573. The reversal of 45551547 is 74515554.

It is not a de Polignac number, because 45551547 - 2¹⁰ = 45550523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45551537) 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, 87003 + ... + 87524.

It is an arithmetic number, because the mean of its divisors is an integer number (5672160).

Almost surely, 2^45551547 is an apocalyptic number.

45551547 is a deficient number, since it is larger than the sum of its proper divisors (22514373).

45551547 is a wasteful number, since it uses less digits than its factorization.

45551547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174562 (or 174559 counting only the distinct ones).

The product of its digits is 70000, while the sum is 36.

The square root of 45551547 is about 6749.1886179007. The cubic root of 45551547 is about 357.1366141461.

The spelling of 45551547 in words is "forty-five million, five hundred fifty-one thousand, five hundred forty-seven".