55238450 has 12 divisors (see below), whose sum is σ = 102743610. Its totient is φ = 22095360.

The previous prime is 55238431. The next prime is 55238467. The reversal of 55238450 is 5483255.

It can be written as a sum of positive squares in 3 ways, for example, as 29604481 + 25633969 = 5441^2 + 5063^2 .

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, 552335 + ... + 552434.

Almost surely, 2^55238450 is an apocalyptic number.

55238450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55238450 is a deficient number, since it is larger than the sum of its proper divisors (47505160).

55238450 is a wasteful number, since it uses less digits than its factorization.

55238450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104781 (or 1104776 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 55238450 is about 7432.2573959733. The cubic root of 55238450 is about 380.8440380022.

The spelling of 55238450 in words is "fifty-five million, two hundred thirty-eight thousand, four hundred fifty".