45555025 has 12 divisors (see below), whose sum is σ = 56730124. Its totient is φ = 36288000.

The previous prime is 45555023. The next prime is 45555043. The reversal of 45555025 is 52055554.

It can be written as a sum of positive squares in 6 ways, for example, as 986049 + 44568976 = 993^2 + 6676^2 .

It is not a de Polignac number, because 45555025 - 2¹ = 45555023 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45555023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2245 + ... + 9805.

Almost surely, 2^45555025 is an apocalyptic number.

It is an amenable number.

45555025 is a deficient number, since it is larger than the sum of its proper divisors (11175099).

45555025 is a wasteful number, since it uses less digits than its factorization.

45555025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7812 (or 7807 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 31.

The square root of 45555025 is about 6749.4462735842. The cubic root of 45555025 is about 357.1457034059.

The spelling of 45555025 in words is "forty-five million, five hundred fifty-five thousand, twenty-five".