55402202 has 8 divisors (see below), whose sum is σ = 83654112. Its totient is φ = 27517500.

The previous prime is 55402169. The next prime is 55402219. The reversal of 55402202 is 20220455.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91424 + ... + 92027.

It is an arithmetic number, because the mean of its divisors is an integer number (10456764).

Almost surely, 2^55402202 is an apocalyptic number.

55402202 is a deficient number, since it is larger than the sum of its proper divisors (28251910).

55402202 is a wasteful number, since it uses less digits than its factorization.

55402202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183604.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 55402202 is about 7443.2655467879. The cubic root of 55402202 is about 381.2199986425.

Adding to 55402202 its reverse (20220455), we get a palindrome (75622657).

The spelling of 55402202 in words is "fifty-five million, four hundred two thousand, two hundred two".