54146666 has 32 divisors (see below), whose sum is σ = 100310400. Its totient is φ = 21835968.

The previous prime is 54146663. The next prime is 54146671. The reversal of 54146666 is 66664145.

It is a super-2 number, since 2×54146666² = 5863722877831112, which contains 22 as substring.

54146666 is a modest number, since divided by 6666 gives 5414 as remainder.

It is not an unprimeable number, because it can be changed into a prime (54146663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9341 + ... + 13983.

It is an arithmetic number, because the mean of its divisors is an integer number (3134700).

Almost surely, 2^54146666 is an apocalyptic number.

54146666 is a deficient number, since it is larger than the sum of its proper divisors (46163734).

54146666 is a wasteful number, since it uses less digits than its factorization.

54146666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4683 (or 4669 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The square root of 54146666 is about 7358.4418187548. The cubic root of 54146666 is about 378.3182048500.

The spelling of 54146666 in words is "fifty-four million, one hundred forty-six thousand, six hundred sixty-six".