54154321650 has 144 divisors (see below), whose sum is σ = 170930934720. Its totient is φ = 12118435200.

The previous prime is 54154321649. The next prime is 54154321673. The reversal of 54154321650 is 5612345145.

54154321650 is a `hidden beast` number, since 5 + 41 + 543 + 21 + 6 + 50 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 356430 + ... + 485129.

It is an arithmetic number, because the mean of its divisors is an integer number (1187020380).

Almost surely, 2^54154321650 is an apocalyptic number.

54154321650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

54154321650 is an abundant number, since it is smaller than the sum of its proper divisors (116776613070).

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

54154321650 is a wasteful number, since it uses less digits than its factorization.

54154321650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841601 (or 841593 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 54154321650 its reverse (5612345145), we get a palindrome (59766666795).

The spelling of 54154321650 in words is "fifty-four billion, one hundred fifty-four million, three hundred twenty-one thousand, six hundred fifty".