45522551 has 4 divisors (see below), whose sum is σ = 45726912. Its totient is φ = 45318192.

The previous prime is 45522541. The next prime is 45522553. The reversal of 45522551 is 15522554.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45522551 - 2⁶ = 45522487 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 (45522553) 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 3 ways as a sum of consecutive naturals, for example, 101846 + ... + 102291.

It is an arithmetic number, because the mean of its divisors is an integer number (11431728).

Almost surely, 2^45522551 is an apocalyptic number.

45522551 is a deficient number, since it is larger than the sum of its proper divisors (204361).

45522551 is a wasteful number, since it uses less digits than its factorization.

45522551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204360.

The product of its digits is 10000, while the sum is 29.

The square root of 45522551 is about 6747.0401658801. The cubic root of 45522551 is about 357.0608191987.

The spelling of 45522551 in words is "forty-five million, five hundred twenty-two thousand, five hundred fifty-one".