55290234 has 8 divisors (see below), whose sum is σ = 110580480. Its totient is φ = 18430076.

The previous prime is 55290223. The next prime is 55290241. The reversal of 55290234 is 43209255.

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

55290234 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4607514 + ... + 4607525.

It is an arithmetic number, because the mean of its divisors is an integer number (13822560).

Almost surely, 2^55290234 is an apocalyptic number.

55290234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55290234 is a wasteful number, since it uses less digits than its factorization.

55290234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9215044.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 55290234 is about 7435.7403128404. The cubic root of 55290234 is about 380.9630098904.

Adding to 55290234 its reverse (43209255), we get a palindrome (98499489).

The spelling of 55290234 in words is "fifty-five million, two hundred ninety thousand, two hundred thirty-four".