45213404550 has 96 divisors (see below), whose sum is σ = 112999017600. Its totient is φ = 11963635200.

The previous prime is 45213404543. The next prime is 45213404591. The reversal of 45213404550 is 5540431254.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21539401 + ... + 21541499.

It is an arithmetic number, because the mean of its divisors is an integer number (1177073100).

Almost surely, 2^45213404550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45213404550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56499508800).

45213404550 is an abundant number, since it is smaller than the sum of its proper divisors (67785613050).

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

45213404550 is a wasteful number, since it uses less digits than its factorization.

45213404550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3158 (or 3153 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

The spelling of 45213404550 in words is "forty-five billion, two hundred thirteen million, four hundred four thousand, five hundred fifty".