545111554 has 8 divisors (see below), whose sum is σ = 880564860. Its totient is φ = 251589936.

The previous prime is 545111551. The next prime is 545111587. The reversal of 545111554 is 455111545.

It can be written as a sum of positive squares in 2 ways, for example, as 529690225 + 15421329 = 23015^2 + 3927^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (545111551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10482889 + ... + 10482940.

Almost surely, 2^545111554 is an apocalyptic number.

545111554 is a deficient number, since it is larger than the sum of its proper divisors (335453306).

545111554 is a wasteful number, since it uses less digits than its factorization.

545111554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20965844.

The product of its digits is 10000, while the sum is 31.

The square root of 545111554 is about 23347.6241617857. The cubic root of 545111554 is about 816.8866445776.

Subtracting from 545111554 its reverse (455111545), we obtain a palindrome (90000009).

It can be divided in two parts, 54511 and 1554, that added together give a palindrome (56065).

The spelling of 545111554 in words is "five hundred forty-five million, one hundred eleven thousand, five hundred fifty-four".