54666361 has 4 divisors (see below), whose sum is σ = 56429824. Its totient is φ = 52902900.

The previous prime is 54666347. The next prime is 54666371. The reversal of 54666361 is 16366645.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16366645 = 5 ⋅3273329.

It is a cyclic number.

It is not a de Polignac number, because 54666361 - 2⁷ = 54666233 is a prime.

It is a super-2 number, since 2×54666361² = 5976822049964642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54666361.

It is not an unprimeable number, because it can be changed into a prime (54666371) 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 3 ways as a sum of consecutive naturals, for example, 881685 + ... + 881746.

It is an arithmetic number, because the mean of its divisors is an integer number (14107456).

Almost surely, 2^54666361 is an apocalyptic number.

It is an amenable number.

54666361 is a deficient number, since it is larger than the sum of its proper divisors (1763463).

54666361 is a wasteful number, since it uses less digits than its factorization.

54666361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763462.

The product of its digits is 77760, while the sum is 37.

The square root of 54666361 is about 7393.6703334677. The cubic root of 54666361 is about 379.5247081688.

The spelling of 54666361 in words is "fifty-four million, six hundred sixty-six thousand, three hundred sixty-one".