54143555 has 8 divisors (see below), whose sum is σ = 68794272. Its totient is φ = 40766848.

The previous prime is 54143549. The next prime is 54143567. The reversal of 54143555 is 55534145.

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

It is a cyclic number.

It is not a de Polignac number, because 54143555 - 2¹⁰ = 54142531 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318407 + ... + 318576.

It is an arithmetic number, because the mean of its divisors is an integer number (8599284).

Almost surely, 2^54143555 is an apocalyptic number.

54143555 is a deficient number, since it is larger than the sum of its proper divisors (14650717).

54143555 is a wasteful number, since it uses less digits than its factorization.

54143555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637005.

The product of its digits is 30000, while the sum is 32.

The square root of 54143555 is about 7358.2304258565. The cubic root of 54143555 is about 378.3109592794.

The spelling of 54143555 in words is "fifty-four million, one hundred forty-three thousand, five hundred fifty-five".