54989864 has 16 divisors (see below), whose sum is σ = 103552020. Its totient is φ = 27376000.

The previous prime is 54989863. The next prime is 54989903. The reversal of 54989864 is 46898945.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 52562500 + 2427364 = 7250^2 + 1558^2 .

It is not an unprimeable number, because it can be changed into a prime (54989861) 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, 12887 + ... + 16614.

Almost surely, 2^54989864 is an apocalyptic number.

It is an amenable number.

54989864 is a deficient number, since it is larger than the sum of its proper divisors (48562156).

54989864 is a wasteful number, since it uses less digits than its factorization.

54989864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29740 (or 29736 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 53.

The square root of 54989864 is about 7415.5150866275. The cubic root of 54989864 is about 380.2718829887.

The spelling of 54989864 in words is "fifty-four million, nine hundred eighty-nine thousand, eight hundred sixty-four".