55552004 has 6 divisors (see below), whose sum is σ = 97216014. Its totient is φ = 27776000.

The previous prime is 55551989. The next prime is 55552027. The reversal of 55552004 is 40025555.

It can be written as a sum of positive squares in only one way, i.e., 52998400 + 2553604 = 7280^2 + 1598^2 .

It is an unprimeable number.

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, 6943997 + ... + 6944004.

It is an arithmetic number, because the mean of its divisors is an integer number (16202669).

Almost surely, 2^55552004 is an apocalyptic number.

It is an amenable number.

55552004 is a deficient number, since it is larger than the sum of its proper divisors (41664010).

55552004 is a wasteful number, since it uses less digits than its factorization.

55552004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13888005 (or 13888003 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 26.

The square root of 55552004 is about 7453.3216756021. The cubic root of 55552004 is about 381.5632829787.

Adding to 55552004 its reverse (40025555), we get a palindrome (95577559).

The spelling of 55552004 in words is "fifty-five million, five hundred fifty-two thousand, four".