45553825 has 24 divisors (see below), whose sum is σ = 58038200. Its totient is φ = 35458560.

The previous prime is 45553817. The next prime is 45553843. The reversal of 45553825 is 52835554.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 877969 + 44675856 = 937^2 + 6684^2 .

It is not a de Polignac number, because 45553825 - 2³ = 45553817 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198811 + ... + 199039.

Almost surely, 2^45553825 is an apocalyptic number.

It is an amenable number.

45553825 is a deficient number, since it is larger than the sum of its proper divisors (12484375).

45553825 is a wasteful number, since it uses less digits than its factorization.

45553825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 416 counting only the distinct ones).

The product of its digits is 120000, while the sum is 37.

The square root of 45553825 is about 6749.3573768174. The cubic root of 45553825 is about 357.1425674283.

The spelling of 45553825 in words is "forty-five million, five hundred fifty-three thousand, eight hundred twenty-five".