55247150 has 48 divisors (see below), whose sum is σ = 122563584. Its totient is φ = 18115680.

The previous prime is 55247141. The next prime is 55247183. The reversal of 55247150 is 5174255.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4619 + ... + 11481.

It is an arithmetic number, because the mean of its divisors is an integer number (2553408).

Almost surely, 2^55247150 is an apocalyptic number.

55247150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55247150 is an abundant number, since it is smaller than the sum of its proper divisors (67316434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55247150 is a wasteful number, since it uses less digits than its factorization.

55247150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6905 (or 6900 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 55247150 is about 7432.8426594406. The cubic root of 55247150 is about 380.8640311362.

The spelling of 55247150 in words is "fifty-five million, two hundred forty-seven thousand, one hundred fifty".