55309802 has 8 divisors (see below), whose sum is σ = 86571936. Its totient is φ = 26452492.

The previous prime is 55309801. The next prime is 55309819. The reversal of 55309802 is 20890355.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (55309801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601148 + ... + 601239.

It is an arithmetic number, because the mean of its divisors is an integer number (10821492).

Almost surely, 2^55309802 is an apocalyptic number.

55309802 is a deficient number, since it is larger than the sum of its proper divisors (31262134).

55309802 is a wasteful number, since it uses less digits than its factorization.

55309802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202412.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 55309802 is about 7437.0560035541. The cubic root of 55309802 is about 381.0079473316.

The spelling of 55309802 in words is "fifty-five million, three hundred nine thousand, eight hundred two".