54831811 has 4 divisors (see below), whose sum is σ = 55027224. Its totient is φ = 54636400.

The previous prime is 54831769. The next prime is 54831841. The reversal of 54831811 is 11813845.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11813845 = 5 ⋅2362769.

It is a cyclic number.

It is not a de Polignac number, because 54831811 - 2⁷ = 54831683 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54831841) 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, 97285 + ... + 97846.

It is an arithmetic number, because the mean of its divisors is an integer number (13756806).

Almost surely, 2^54831811 is an apocalyptic number.

54831811 is a deficient number, since it is larger than the sum of its proper divisors (195413).

54831811 is a wasteful number, since it uses less digits than its factorization.

54831811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195412.

The product of its digits is 3840, while the sum is 31.

The square root of 54831811 is about 7404.8505049056. The cubic root of 54831811 is about 379.9072049500.

The spelling of 54831811 in words is "fifty-four million, eight hundred thirty-one thousand, eight hundred eleven".