45011550 has 48 divisors (see below), whose sum is σ = 112693680. Its totient is φ = 11888640.

The previous prime is 45011543. The next prime is 45011569. The reversal of 45011550 is 5511054.

It is a congruent number.

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, 14974 + ... + 17726.

It is an arithmetic number, because the mean of its divisors is an integer number (2347785).

Almost surely, 2^45011550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45011550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56346840).

45011550 is an abundant number, since it is smaller than the sum of its proper divisors (67682130).

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

45011550 is a wasteful number, since it uses less digits than its factorization.

45011550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2877 (or 2872 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 45011550 is about 6709.0647634376. The cubic root of 45011550 is about 355.7197590441.

The spelling of 45011550 in words is "forty-five million, eleven thousand, five hundred fifty".