45538688 has 32 divisors (see below), whose sum is σ = 97703760. Its totient is φ = 21017088.

The previous prime is 45538673. The next prime is 45538693. The reversal of 45538688 is 88683554.

45538688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×45538688² = 4147544209522688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12020 + ... + 15347.

Almost surely, 2^45538688 is an apocalyptic number.

It is an amenable number.

45538688 is an abundant number, since it is smaller than the sum of its proper divisors (52165072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45538688 is a wasteful number, since it uses less digits than its factorization.

45538688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27394 (or 27382 counting only the distinct ones).

The product of its digits is 921600, while the sum is 47.

The square root of 45538688 is about 6748.2359176306. The cubic root of 45538688 is about 357.1030049551.

The spelling of 45538688 in words is "forty-five million, five hundred thirty-eight thousand, six hundred eighty-eight".