55229015 has 8 divisors (see below), whose sum is σ = 67398480. Its totient is φ = 43434112.

The previous prime is 55228997. The next prime is 55229023. The reversal of 55229015 is 51092255.

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

It is a cyclic number.

It is not a de Polignac number, because 55229015 - 2⁸ = 55228759 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93314 + ... + 93903.

It is an arithmetic number, because the mean of its divisors is an integer number (8424810).

Almost surely, 2^55229015 is an apocalyptic number.

55229015 is a deficient number, since it is larger than the sum of its proper divisors (12169465).

55229015 is a wasteful number, since it uses less digits than its factorization.

55229015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187281.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 55229015 is about 7431.6226357371. The cubic root of 55229015 is about 380.8223534201.

The spelling of 55229015 in words is "fifty-five million, two hundred twenty-nine thousand, fifteen".