45545511 has 16 divisors (see below), whose sum is σ = 66360960. Its totient is φ = 27556320.

The previous prime is 45545509. The next prime is 45545519. The reversal of 45545511 is 11554554.

It is not a de Polignac number, because 45545511 - 2¹ = 45545509 is a prime.

It is a super-2 number, since 2×45545511² = 4148787144502242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45545519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36445 + ... + 37673.

It is an arithmetic number, because the mean of its divisors is an integer number (4147560).

Almost surely, 2^45545511 is an apocalyptic number.

45545511 is a deficient number, since it is larger than the sum of its proper divisors (20815449).

45545511 is a wasteful number, since it uses less digits than its factorization.

45545511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2366.

The product of its digits is 10000, while the sum is 30.

The square root of 45545511 is about 6748.7414382239. The cubic root of 45545511 is about 357.1208388178.

It can be divided in two parts, 45545 and 511, that added together give a triangular number (46056 = T₃₀₃).

The spelling of 45545511 in words is "forty-five million, five hundred forty-five thousand, five hundred eleven".