54115966 has 8 divisors (see below), whose sum is σ = 81211104. Its totient is φ = 27045600.

The previous prime is 54115961. The next prime is 54115979. The reversal of 54115966 is 66951145.

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

It is a super-2 number, since 2×54115966² = 5857075552226312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54115961) 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, 891 + ... + 10441.

It is an arithmetic number, because the mean of its divisors is an integer number (10151388).

Almost surely, 2^54115966 is an apocalyptic number.

54115966 is a deficient number, since it is larger than the sum of its proper divisors (27095138).

54115966 is a wasteful number, since it uses less digits than its factorization.

54115966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12386.

The product of its digits is 32400, while the sum is 37.

The square root of 54115966 is about 7356.3554835258. The cubic root of 54115966 is about 378.2466918929.

The spelling of 54115966 in words is "fifty-four million, one hundred fifteen thousand, nine hundred sixty-six".