45552320 has 56 divisors (see below), whose sum is σ = 118341648. Its totient is φ = 16563200.

The previous prime is 45552293. The next prime is 45552337. The reversal of 45552320 is 2325554.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 45552320.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2951 + ... + 9990.

Almost surely, 2^45552320 is an apocalyptic number.

45552320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45552320 is an abundant number, since it is smaller than the sum of its proper divisors (72789328).

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

45552320 is a wasteful number, since it uses less digits than its factorization.

45552320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12969 (or 12959 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 45552320 is about 6749.2458838006. The cubic root of 45552320 is about 357.1386343120.

Adding to 45552320 its reverse (2325554), we get a palindrome (47877874).

The spelling of 45552320 in words is "forty-five million, five hundred fifty-two thousand, three hundred twenty".