55442150 has 24 divisors (see below), whose sum is σ = 103352760. Its totient is φ = 22127360.

The previous prime is 55442147. The next prime is 55442197. The reversal of 55442150 is 5124455.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28406 + ... + 30294.

It is an arithmetic number, because the mean of its divisors is an integer number (4306365).

Almost surely, 2^55442150 is an apocalyptic number.

55442150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55442150 is a deficient number, since it is larger than the sum of its proper divisors (47910610).

55442150 is a wasteful number, since it uses less digits than its factorization.

55442150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488 (or 2483 counting only the distinct ones).

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

The square root of 55442150 is about 7445.9485628092. The cubic root of 55442150 is about 381.3116034110.

The spelling of 55442150 in words is "fifty-five million, four hundred forty-two thousand, one hundred fifty".