45550520 has 32 divisors (see below), whose sum is σ = 104673600. Its totient is φ = 17831808.

The previous prime is 45550517. The next prime is 45550523. The reversal of 45550520 is 2505554.

It is an interprime number because it is at equal distance from previous prime (45550517) and next prime (45550523).

It is a self number, because there is not a number n which added to its sum of digits gives 45550520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45550523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10235 + ... + 13994.

It is an arithmetic number, because the mean of its divisors is an integer number (3271050).

Almost surely, 2^45550520 is an apocalyptic number.

45550520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45550520 is an abundant number, since it is smaller than the sum of its proper divisors (59123080).

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

45550520 is a wasteful number, since it uses less digits than its factorization.

45550520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24287 (or 24283 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 26.

The square root of 45550520 is about 6749.1125342522. The cubic root of 45550520 is about 357.1339301388.

The spelling of 45550520 in words is "forty-five million, five hundred fifty thousand, five hundred twenty".