54561718 has 8 divisors (see below), whose sum is σ = 83064312. Its totient is φ = 26873616.

The previous prime is 54561713. The next prime is 54561719. The reversal of 54561718 is 81716545.

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

It is a super-2 number, since 2×54561718² = 5953962142223048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54561713) 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, 203455 + ... + 203722.

It is an arithmetic number, because the mean of its divisors is an integer number (10383039).

Almost surely, 2^54561718 is an apocalyptic number.

54561718 is a deficient number, since it is larger than the sum of its proper divisors (28502594).

54561718 is a wasteful number, since it uses less digits than its factorization.

54561718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407246.

The product of its digits is 33600, while the sum is 37.

The square root of 54561718 is about 7386.5904177773. The cubic root of 54561718 is about 379.2823899130.

The spelling of 54561718 in words is "fifty-four million, five hundred sixty-one thousand, seven hundred eighteen".