54661711 has 8 divisors (see below), whose sum is σ = 60765824. Its totient is φ = 48828960.

The previous prime is 54661687. The next prime is 54661721. The reversal of 54661711 is 11716645.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54661711 - 2⁵ = 54661679 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54661721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67416 + ... + 68221.

It is an arithmetic number, because the mean of its divisors is an integer number (7595728).

Almost surely, 2^54661711 is an apocalyptic number.

54661711 is a deficient number, since it is larger than the sum of its proper divisors (6104113).

54661711 is a wasteful number, since it uses less digits than its factorization.

54661711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135681.

The product of its digits is 5040, while the sum is 31.

The square root of 54661711 is about 7393.3558686161. The cubic root of 54661711 is about 379.5139468895.

The spelling of 54661711 in words is "fifty-four million, six hundred sixty-one thousand, seven hundred eleven".