55307202 has 24 divisors (see below), whose sum is σ = 113431824. Its totient is φ = 17968104.

The previous prime is 55307201. The next prime is 55307243. The reversal of 55307202 is 20270355.

It is not an unprimeable number, because it can be changed into a prime (55307201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119223 + ... + 119685.

It is an arithmetic number, because the mean of its divisors is an integer number (4726326).

Almost surely, 2^55307202 is an apocalyptic number.

55307202 is an abundant number, since it is smaller than the sum of its proper divisors (58124622).

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

55307202 is an equidigital number, since it uses as much as digits as its factorization.

55307202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974 (or 511 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 55307202 is about 7436.8812011488. The cubic root of 55307202 is about 381.0019771048.

Adding to 55307202 its reverse (20270355), we get a palindrome (75577557).

The spelling of 55307202 in words is "fifty-five million, three hundred seven thousand, two hundred two".