55312910 has 8 divisors (see below), whose sum is σ = 99563256. Its totient is φ = 22125160.

The previous prime is 55312879. The next prime is 55312919. The reversal of 55312910 is 1921355.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55312910.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55312919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2765636 + ... + 2765655.

It is an arithmetic number, because the mean of its divisors is an integer number (12445407).

Almost surely, 2^55312910 is an apocalyptic number.

55312910 is a deficient number, since it is larger than the sum of its proper divisors (44250346).

55312910 is a wasteful number, since it uses less digits than its factorization.

55312910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5531298.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 55312910 is about 7437.2649542691. The cubic root of 55312910 is about 381.0150838034.

The spelling of 55312910 in words is "fifty-five million, three hundred twelve thousand, nine hundred ten".