54869811 has 4 divisors (see below), whose sum is σ = 73159752. Its totient is φ = 36579872.

The previous prime is 54869809. The next prime is 54869831. The reversal of 54869811 is 11896845.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54869811 - 2¹ = 54869809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54869831) 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, 9144966 + ... + 9144971.

It is an arithmetic number, because the mean of its divisors is an integer number (18289938).

Almost surely, 2^54869811 is an apocalyptic number.

54869811 is a deficient number, since it is larger than the sum of its proper divisors (18289941).

54869811 is a wasteful number, since it uses less digits than its factorization.

54869811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18289940.

The product of its digits is 69120, while the sum is 42.

The square root of 54869811 is about 7407.4159461988. The cubic root of 54869811 is about 379.9949468395.

The spelling of 54869811 in words is "fifty-four million, eight hundred sixty-nine thousand, eight hundred eleven".