54287811 has 6 divisors (see below), whose sum is σ = 78415740. Its totient is φ = 36191868.

The previous prime is 54287809. The next prime is 54287819. The reversal of 54287811 is 11878245.

It is not a de Polignac number, because 54287811 - 2¹ = 54287809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54287819) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3015981 + ... + 3015998.

It is an arithmetic number, because the mean of its divisors is an integer number (13069290).

Almost surely, 2^54287811 is an apocalyptic number.

54287811 is a deficient number, since it is larger than the sum of its proper divisors (24127929).

54287811 is a wasteful number, since it uses less digits than its factorization.

54287811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6031985 (or 6031982 counting only the distinct ones).

The product of its digits is 17920, while the sum is 36.

The square root of 54287811 is about 7368.0262621682. The cubic root of 54287811 is about 378.6466423850.

The spelling of 54287811 in words is "fifty-four million, two hundred eighty-seven thousand, eight hundred eleven".