55120010 has 64 divisors (see below), whose sum is σ = 115240320. Its totient is φ = 18789120.

The previous prime is 55120003. The next prime is 55120061. The reversal of 55120010 is 1002155.

55120010 = 83² + 84² + ... + 549².

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117797 + ... + 118263.

It is an arithmetic number, because the mean of its divisors is an integer number (1800630).

Almost surely, 2^55120010 is an apocalyptic number.

55120010 is an abundant number, since it is smaller than the sum of its proper divisors (60120310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55120010 is a wasteful number, since it uses less digits than its factorization.

55120010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551.

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 55120010 is about 7424.2851507738. The cubic root of 55120010 is about 380.5716465472.

Adding to 55120010 its reverse (1002155), we get a palindrome (56122165).

The spelling of 55120010 in words is "fifty-five million, one hundred twenty thousand, ten".