45053220 has 48 divisors (see below), whose sum is σ = 126604800. Its totient is φ = 11970816.

The previous prime is 45053209. The next prime is 45053221. The reversal of 45053220 is 2235054.

It is not an unprimeable number, because it can be changed into a prime (45053221) 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, 17581 + ... + 19979.

It is an arithmetic number, because the mean of its divisors is an integer number (2637600).

Almost surely, 2^45053220 is an apocalyptic number.

It is an amenable number.

45053220 is an abundant number, since it is smaller than the sum of its proper divisors (81551580).

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

45053220 is a wasteful number, since it uses less digits than its factorization.

45053220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2724 (or 2722 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 45053220 is about 6712.1695449385. The cubic root of 45053220 is about 355.8294958455.

Adding to 45053220 its reverse (2235054), we get a palindrome (47288274).

The spelling of 45053220 in words is "forty-five million, fifty-three thousand, two hundred twenty".