55250202 has 16 divisors (see below), whose sum is σ = 126286272. Its totient is φ = 15785760.

The previous prime is 55250197. The next prime is 55250219. The reversal of 55250202 is 20205255.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 657699 + ... + 657782.

It is an arithmetic number, because the mean of its divisors is an integer number (7892892).

Almost surely, 2^55250202 is an apocalyptic number.

55250202 is an abundant number, since it is smaller than the sum of its proper divisors (71036070).

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

55250202 is a wasteful number, since it uses less digits than its factorization.

55250202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315493.

The product of its (nonzero) digits is 1000, while the sum is 21.

The square root of 55250202 is about 7433.0479616373. The cubic root of 55250202 is about 380.8710443222.

Adding to 55250202 its reverse (20205255), we get a palindrome (75455457).

The spelling of 55250202 in words is "fifty-five million, two hundred fifty thousand, two hundred two".