55103235 has 16 divisors (see below), whose sum is σ = 96180480. Its totient is φ = 26716640.

The previous prime is 55103233. The next prime is 55103267. The reversal of 55103235 is 53230155.

It is not a de Polignac number, because 55103235 - 2¹ = 55103233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55103231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166815 + ... + 167144.

It is an arithmetic number, because the mean of its divisors is an integer number (6011280).

Almost surely, 2^55103235 is an apocalyptic number.

55103235 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55103235 is a deficient number, since it is larger than the sum of its proper divisors (41077245).

55103235 is a wasteful number, since it uses less digits than its factorization.

55103235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333978.

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 55103235 is about 7423.1553264094. The cubic root of 55103235 is about 380.5330354202.

Subtracting from 55103235 its reverse (53230155), we obtain a triangular number (1873080 = T₁₉₃₅).

The spelling of 55103235 in words is "fifty-five million, one hundred three thousand, two hundred thirty-five".