545413554 has 64 divisors (see below), whose sum is σ = 1390444800. Its totient is φ = 155240064.

The previous prime is 545413549. The next prime is 545413571. The reversal of 545413554 is 455314545.

545413554 is a `hidden beast` number, since 54 + 54 + 1 + 3 + 554 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102102 + ... + 107310.

It is an arithmetic number, because the mean of its divisors is an integer number (21725700).

Almost surely, 2^545413554 is an apocalyptic number.

545413554 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 545413554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (695222400).

545413554 is an abundant number, since it is smaller than the sum of its proper divisors (845031246).

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

545413554 is a wasteful number, since it uses less digits than its factorization.

545413554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5504 (or 5498 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 545413554 is about 23354.0907337451. The cubic root of 545413554 is about 817.0374725567.

Subtracting from 545413554 its reverse (455314545), we obtain a palindrome (90099009).

The spelling of 545413554 in words is "five hundred forty-five million, four hundred thirteen thousand, five hundred fifty-four".