54143611 has 4 divisors (see below), whose sum is σ = 54622872. Its totient is φ = 53664352.

The previous prime is 54143603. The next prime is 54143627. The reversal of 54143611 is 11634145.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54143611 - 2³ = 54143603 is a prime.

It is a super-2 number, since 2×54143611² = 5863061224238642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54143681) 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, 239461 + ... + 239686.

It is an arithmetic number, because the mean of its divisors is an integer number (13655718).

Almost surely, 2^54143611 is an apocalyptic number.

54143611 is a deficient number, since it is larger than the sum of its proper divisors (479261).

54143611 is a wasteful number, since it uses less digits than its factorization.

54143611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479260.

The product of its digits is 1440, while the sum is 25.

The square root of 54143611 is about 7358.2342311182. The cubic root of 54143611 is about 378.3110897068.

Adding to 54143611 its reverse (11634145), we get a palindrome (65777756).

It can be divided in two parts, 5414 and 3611, that added together give a square (9025 = 95²).

The spelling of 54143611 in words is "fifty-four million, one hundred forty-three thousand, six hundred eleven".