55573810 has 16 divisors (see below), whose sum is σ = 100128600. Its totient is φ = 22208256.

The previous prime is 55573801. The next prime is 55573823. The reversal of 55573810 is 1837555.

It can be written as a sum of positive squares in 4 ways, for example, as 37417689 + 18156121 = 6117^2 + 4261^2 .

It is a super-2 number, since 2×55573810² = 6176896715832200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12346 + ... + 16234.

Almost surely, 2^55573810 is an apocalyptic number.

55573810 is a deficient number, since it is larger than the sum of its proper divisors (44554790).

55573810 is a wasteful number, since it uses less digits than its factorization.

55573810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5325.

The product of its (nonzero) digits is 21000, while the sum is 34.

The square root of 55573810 is about 7454.7843697856. The cubic root of 55573810 is about 381.6132018530.

The spelling of 55573810 in words is "fifty-five million, five hundred seventy-three thousand, eight hundred ten".