5555450 has 12 divisors (see below), whose sum is σ = 10333230. Its totient is φ = 2222160.

The previous prime is 5555401. The next prime is 5555461. The reversal of 5555450 is 545555.

It is a Cunningham number, because it is equal to 2357²+1.

It can be written as a sum of positive squares in 3 ways, for example, as 5121169 + 434281 = 2263^2 + 659^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55505 + ... + 55604.

Almost surely, 2^5555450 is an apocalyptic number.

5555450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5555450 is a deficient number, since it is larger than the sum of its proper divisors (4777780).

5555450 is a wasteful number, since it uses less digits than its factorization.

5555450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111121 (or 111116 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 29.

The square root of 5555450 is about 2357.0002121341. Note that the first 3 decimals coincide. The cubic root of 5555450 is about 177.1086398282.

The spelling of 5555450 in words is "five million, five hundred fifty-five thousand, four hundred fifty".