55247300 has 18 divisors (see below), whose sum is σ = 119886858. Its totient is φ = 22098880.

The previous prime is 55247293. The next prime is 55247321. The reversal of 55247300 is 374255.

It can be written as a sum of positive squares in 3 ways, for example, as 1898884 + 53348416 = 1378^2 + 7304^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55247300.

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, 276137 + ... + 276336.

It is an arithmetic number, because the mean of its divisors is an integer number (6660381).

Almost surely, 2^55247300 is an apocalyptic number.

55247300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55247300 is an abundant number, since it is smaller than the sum of its proper divisors (64639558).

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

55247300 is a wasteful number, since it uses less digits than its factorization.

55247300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552487 (or 552480 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 55247300 is about 7432.8527497859. The cubic root of 55247300 is about 380.8643758270.

The spelling of 55247300 in words is "fifty-five million, two hundred forty-seven thousand, three hundred".