45538520 has 32 divisors (see below), whose sum is σ = 102999600. Its totient is φ = 18119808.

The previous prime is 45538499. The next prime is 45538561. The reversal of 45538520 is 2583554.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4991 + ... + 10769.

Almost surely, 2^45538520 is an apocalyptic number.

45538520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45538520 is an abundant number, since it is smaller than the sum of its proper divisors (57461080).

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

45538520 is a wasteful number, since it uses less digits than its factorization.

45538520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5987 (or 5983 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 45538520 is about 6748.2234699215. The cubic root of 45538520 is about 357.1025658166.

The spelling of 45538520 in words is "forty-five million, five hundred thirty-eight thousand, five hundred twenty".