55474546 has 4 divisors (see below), whose sum is σ = 83211822. Its totient is φ = 27737272.

The previous prime is 55474493. The next prime is 55474571. The reversal of 55474546 is 64547455.

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., 47128225 + 8346321 = 6865^2 + 2889^2 .

It is a super-2 number, since 2×55474546² = 6154850507812232, which contains 22 as substring.

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 = 55474499 and 55474508.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13868635 + ... + 13868638.

Almost surely, 2^55474546 is an apocalyptic number.

55474546 is a deficient number, since it is larger than the sum of its proper divisors (27737276).

55474546 is a wasteful number, since it uses less digits than its factorization.

55474546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27737275.

The product of its digits is 336000, while the sum is 40.

The square root of 55474546 is about 7448.1236563312. The cubic root of 55474546 is about 381.3858583804.

The spelling of 55474546 in words is "fifty-five million, four hundred seventy-four thousand, five hundred forty-six".