55004450 has 12 divisors (see below), whose sum is σ = 102308370. Its totient is φ = 22001760.

The previous prime is 55004441. The next prime is 55004471. The reversal of 55004450 is 5440055.

It can be written as a sum of positive squares in 3 ways, for example, as 34000561 + 21003889 = 5831^2 + 4583^2 .

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, 549995 + ... + 550094.

Almost surely, 2^55004450 is an apocalyptic number.

55004450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55004450 is a deficient number, since it is larger than the sum of its proper divisors (47303920).

55004450 is a wasteful number, since it uses less digits than its factorization.

55004450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100101 (or 1100096 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 55004450 is about 7416.4984999661. The cubic root of 55004450 is about 380.3055022471.

The spelling of 55004450 in words is "fifty-five million, four thousand, four hundred fifty".