54813699 has 8 divisors (see below), whose sum is σ = 81205520. Its totient is φ = 36542448.

The previous prime is 54813697. The next prime is 54813721. The reversal of 54813699 is 99631845.

It is a happy number.

54813699 is a `hidden beast` number, since 548 + 13 + 6 + 99 = 666.

It is not a de Polignac number, because 54813699 - 2¹ = 54813697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54813697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1015042 + ... + 1015095.

It is an arithmetic number, because the mean of its divisors is an integer number (10150690).

Almost surely, 2^54813699 is an apocalyptic number.

54813699 is a deficient number, since it is larger than the sum of its proper divisors (26391821).

54813699 is a wasteful number, since it uses less digits than its factorization.

54813699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030146 (or 2030140 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 54813699 is about 7403.6274217440. The cubic root of 54813699 is about 379.8653701286.

It can be divided in two parts, 5481 and 3699, that added together give a triangular number (9180 = T₁₃₅).

The spelling of 54813699 in words is "fifty-four million, eight hundred thirteen thousand, six hundred ninety-nine".