55163402 has 16 divisors (see below), whose sum is σ = 100128960. Its totient is φ = 22250688.

The previous prime is 55163393. The next prime is 55163413. The reversal of 55163402 is 20436155.

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, 115652 + ... + 116127.

It is an arithmetic number, because the mean of its divisors is an integer number (6258060).

Almost surely, 2^55163402 is an apocalyptic number.

55163402 is a deficient number, since it is larger than the sum of its proper divisors (44965558).

55163402 is a wasteful number, since it uses less digits than its factorization.

55163402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231805.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 55163402 is about 7427.2068774203. The cubic root of 55163402 is about 380.6714858700.

Adding to 55163402 its reverse (20436155), we get a palindrome (75599557).

The spelling of 55163402 in words is "fifty-five million, one hundred sixty-three thousand, four hundred two".