55510006 has 4 divisors (see below), whose sum is σ = 83265012. Its totient is φ = 27755002.

The previous prime is 55509997. The next prime is 55510009. The reversal of 55510006 is 60001555.

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

It is a super-2 number, since 2×55510006² = 6162721532240072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55510009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13877500 + ... + 13877503.

It is an arithmetic number, because the mean of its divisors is an integer number (20816253).

Almost surely, 2^55510006 is an apocalyptic number.

55510006 is a deficient number, since it is larger than the sum of its proper divisors (27755006).

55510006 is a wasteful number, since it uses less digits than its factorization.

55510006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27755005.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 55510006 is about 7450.5037413587. The cubic root of 55510006 is about 381.4671032214.

The spelling of 55510006 in words is "fifty-five million, five hundred ten thousand, six".