55234215 has 24 divisors (see below), whose sum is σ = 97549920. Its totient is φ = 28901184.

The previous prime is 55234199. The next prime is 55234217. The reversal of 55234215 is 51243255.

It is a happy number.

It is not a de Polignac number, because 55234215 - 2⁴ = 55234199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55234217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9195 + ... + 13964.

It is an arithmetic number, because the mean of its divisors is an integer number (4064580).

Almost surely, 2^55234215 is an apocalyptic number.

55234215 is a deficient number, since it is larger than the sum of its proper divisors (42315705).

55234215 is a wasteful number, since it uses less digits than its factorization.

55234215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23223 (or 23220 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 55234215 is about 7431.9724838027. The cubic root of 55234215 is about 380.8343049526.

It can be divided in two parts, 55 and 234215, that added together give a triangular number (234270 = T₆₈₄).

The spelling of 55234215 in words is "fifty-five million, two hundred thirty-four thousand, two hundred fifteen".