54569146 has 4 divisors (see below), whose sum is σ = 81853722. Its totient is φ = 27284572.

The previous prime is 54569131. The next prime is 54569149. The reversal of 54569146 is 64196545.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 52200625 + 2368521 = 7225^2 + 1539^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 54569099 and 54569108.

It is not an unprimeable number, because it can be changed into a prime (54569149) 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 as a sum of consecutive naturals, namely, 13642285 + ... + 13642288.

Almost surely, 2^54569146 is an apocalyptic number.

54569146 is a deficient number, since it is larger than the sum of its proper divisors (27284576).

54569146 is a wasteful number, since it uses less digits than its factorization.

54569146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27284575.

The product of its digits is 129600, while the sum is 40.

The square root of 54569146 is about 7387.0932036898. The cubic root of 54569146 is about 379.2996008920.

The spelling of 54569146 in words is "fifty-four million, five hundred sixty-nine thousand, one hundred forty-six".