55416165450 has 96 divisors (see below), whose sum is σ = 140882768640. Its totient is φ = 14408966400.

The previous prime is 55416165433. The next prime is 55416165451. The reversal of 55416165450 is 5456161455.

55416165450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55416165451) 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, 1881840 + ... + 1911060.

It is an arithmetic number, because the mean of its divisors is an integer number (1467528840).

Almost surely, 2^55416165450 is an apocalyptic number.

55416165450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 55416165450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70441384320).

55416165450 is an abundant number, since it is smaller than the sum of its proper divisors (85466603190).

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

55416165450 is a wasteful number, since it uses less digits than its factorization.

55416165450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29552 (or 29547 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 42.

The spelling of 55416165450 in words is "fifty-five billion, four hundred sixteen million, one hundred sixty-five thousand, four hundred fifty".