54143864 has 8 divisors (see below), whose sum is σ = 101519760. Its totient is φ = 27071928.

The previous prime is 54143851. The next prime is 54143893. The reversal of 54143864 is 46834145.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3383984 + ... + 3383999.

It is an arithmetic number, because the mean of its divisors is an integer number (12689970).

Almost surely, 2^54143864 is an apocalyptic number.

It is an amenable number.

54143864 is a deficient number, since it is larger than the sum of its proper divisors (47375896).

54143864 is a wasteful number, since it uses less digits than its factorization.

54143864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6767989 (or 6767985 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 54143864 is about 7358.2514227227. The cubic root of 54143864 is about 378.3116789580.

The spelling of 54143864 in words is "fifty-four million, one hundred forty-three thousand, eight hundred sixty-four".