55412225 has 12 divisors (see below), whose sum is σ = 74958000. Its totient is φ = 40299600.

The previous prime is 55412219. The next prime is 55412233. The reversal of 55412225 is 52221455.

It is not a de Polignac number, because 55412225 - 2⁴ = 55412209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55412194 and 55412203.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100475 + ... + 101024.

It is an arithmetic number, because the mean of its divisors is an integer number (6246500).

Almost surely, 2^55412225 is an apocalyptic number.

55412225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55412225 is a deficient number, since it is larger than the sum of its proper divisors (19545775).

55412225 is a wasteful number, since it uses less digits than its factorization.

55412225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201520 (or 201515 counting only the distinct ones).

The product of its digits is 4000, while the sum is 26.

The square root of 55412225 is about 7443.9388095282. The cubic root of 55412225 is about 381.2429865233.

The spelling of 55412225 in words is "fifty-five million, four hundred twelve thousand, two hundred twenty-five".