32454545550 has 96 divisors (see below), whose sum is σ = 92115532800. Its totient is φ = 7407692160.

The previous prime is 32454545549. The next prime is 32454545551. The reversal of 32454545550 is 5554545423.

It is an interprime number because it is at equal distance from previous prime (32454545549) and next prime (32454545551).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32454545551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 733456 + ... + 776444.

It is an arithmetic number, because the mean of its divisors is an integer number (959536800).

Almost surely, 2^32454545550 is an apocalyptic number.

32454545550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 32454545550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46057766400).

32454545550 is an abundant number, since it is smaller than the sum of its proper divisors (59660987250).

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

32454545550 is a wasteful number, since it uses less digits than its factorization.

32454545550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43730 (or 43725 counting only the distinct ones).

The product of its (nonzero) digits is 1200000, while the sum is 42.

The spelling of 32454545550 in words is "thirty-two billion, four hundred fifty-four million, five hundred forty-five thousand, five hundred fifty".