45205552 has 20 divisors (see below), whose sum is σ = 100098256. Its totient is φ = 19373760.

The previous prime is 45205549. The next prime is 45205553. The reversal of 45205552 is 25550254.

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

It is a self number, because there is not a number n which added to its sum of digits gives 45205552.

It is not an unprimeable number, because it can be changed into a prime (45205553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201699 + ... + 201922.

Almost surely, 2^45205552 is an apocalyptic number.

It is an amenable number.

45205552 is an abundant number, since it is smaller than the sum of its proper divisors (54892704).

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

45205552 is a wasteful number, since it uses less digits than its factorization.

45205552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403636 (or 403630 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 45205552 is about 6723.5074180074. The cubic root of 45205552 is about 356.2300831381.

The spelling of 45205552 in words is "forty-five million, two hundred five thousand, five hundred fifty-two".