45005552 has 30 divisors (see below), whose sum is σ = 90132624. Its totient is φ = 21769440.

The previous prime is 45005539. The next prime is 45005557. The reversal of 45005552 is 25550054.

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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (45005557) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13913 + ... + 16839.

Almost surely, 2^45005552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45005552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45066312).

45005552 is an abundant number, since it is smaller than the sum of its proper divisors (45127072).

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

45005552 is a wasteful number, since it uses less digits than its factorization.

45005552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2997 (or 2960 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 26.

The square root of 45005552 is about 6708.6177413831. The cubic root of 45005552 is about 355.7039579005.

The spelling of 45005552 in words is "forty-five million, five thousand, five hundred fifty-two".