55004146 has 8 divisors (see below), whose sum is σ = 87359580. Its totient is φ = 25884288.

The previous prime is 55004101. The next prime is 55004171. The reversal of 55004146 is 64140055.

It can be written as a sum of positive squares in 2 ways, for example, as 54922921 + 81225 = 7411^2 + 285^2 .

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

It is a plaindrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 55004146.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 808851 + ... + 808918.

Almost surely, 2^55004146 is an apocalyptic number.

55004146 is a deficient number, since it is larger than the sum of its proper divisors (32355434).

55004146 is a wasteful number, since it uses less digits than its factorization.

55004146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617788.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 55004146 is about 7416.4780050911. The cubic root of 55004146 is about 380.3048016184.

The spelling of 55004146 in words is "fifty-five million, four thousand, one hundred forty-six".