45554320 has 60 divisors (see below), whose sum is σ = 123216444. Its totient is φ = 15617280.

The previous prime is 45554317. The next prime is 45554359. The reversal of 45554320 is 2345554.

It can be written as a sum of positive squares in 2 ways, for example, as 8976016 + 36578304 = 2996^2 + 6048^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1891 + ... + 9730.

Almost surely, 2^45554320 is an apocalyptic number.

45554320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45554320 is an abundant number, since it is smaller than the sum of its proper divisors (77662124).

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

45554320 is a wasteful number, since it uses less digits than its factorization.

45554320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11648 (or 11635 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 45554320 is about 6749.3940468756. The cubic root of 45554320 is about 357.1438610257.

Adding to 45554320 its reverse (2345554), we get a palindrome (47899874).

The spelling of 45554320 in words is "forty-five million, five hundred fifty-four thousand, three hundred twenty".