55200313 has 6 divisors (see below), whose sum is σ = 64212666. Its totient is φ = 47314512.

The previous prime is 55200307. The next prime is 55200319. The reversal of 55200313 is 31300255.

It is an interprime number because it is at equal distance from previous prime (55200307) and next prime (55200319).

It can be written as a sum of positive squares in only one way, i.e., 33269824 + 21930489 = 5768^2 + 4683^2 .

It is not a de Polignac number, because 55200313 - 2⁹ = 55199801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55200319) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 563220 + ... + 563317.

It is an arithmetic number, because the mean of its divisors is an integer number (10702111).

Almost surely, 2^55200313 is an apocalyptic number.

It is an amenable number.

55200313 is a deficient number, since it is larger than the sum of its proper divisors (9012353).

55200313 is a wasteful number, since it uses less digits than its factorization.

55200313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126551 (or 1126544 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 55200313 is about 7429.6913125647. The cubic root of 55200313 is about 380.7563720563.

Adding to 55200313 its reverse (31300255), we get a palindrome (86500568).

The spelling of 55200313 in words is "fifty-five million, two hundred thousand, three hundred thirteen".