55217294 has 16 divisors (see below), whose sum is σ = 90547200. Its totient is φ = 25045560.

The previous prime is 55217251. The next prime is 55217303. The reversal of 55217294 is 49271255.

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, 9107 + ... + 13905.

It is an arithmetic number, because the mean of its divisors is an integer number (5659200).

Almost surely, 2^55217294 is an apocalyptic number.

55217294 is a deficient number, since it is larger than the sum of its proper divisors (35329906).

55217294 is a wasteful number, since it uses less digits than its factorization.

55217294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5335.

The product of its digits is 25200, while the sum is 35.

The square root of 55217294 is about 7430.8340043363. The cubic root of 55217294 is about 380.7954114549.

The spelling of 55217294 in words is "fifty-five million, two hundred seventeen thousand, two hundred ninety-four".