54143554 has 4 divisors (see below), whose sum is σ = 81215334. Its totient is φ = 27071776.

The previous prime is 54143549. The next prime is 54143567. The reversal of 54143554 is 45534145.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 42549529 + 11594025 = 6523^2 + 3405^2 .

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 as a sum of consecutive naturals, namely, 13535887 + ... + 13535890.

Almost surely, 2^54143554 is an apocalyptic number.

54143554 is a deficient number, since it is larger than the sum of its proper divisors (27071780).

54143554 is a wasteful number, since it uses less digits than its factorization.

54143554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27071779.

The product of its digits is 24000, while the sum is 31.

The square root of 54143554 is about 7358.2303579054. The cubic root of 54143554 is about 378.3109569503.

Adding to 54143554 its reverse (45534145), we get a palindrome (99677699).

The spelling of 54143554 in words is "fifty-four million, one hundred forty-three thousand, five hundred fifty-four".