55020322 has 8 divisors (see below), whose sum is σ = 94320576. Its totient is φ = 23580132.

The previous prime is 55020311. The next prime is 55020373. The reversal of 55020322 is 22302055.

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

It is a self number, because there is not a number n which added to its sum of digits gives 55020322.

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, 1964998 + ... + 1965025.

It is an arithmetic number, because the mean of its divisors is an integer number (11790072).

Almost surely, 2^55020322 is an apocalyptic number.

55020322 is a deficient number, since it is larger than the sum of its proper divisors (39300254).

55020322 is a wasteful number, since it uses less digits than its factorization.

55020322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3930032.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 55020322 is about 7417.5684695188. The cubic root of 55020322 is about 380.3420788539.

Adding to 55020322 its reverse (22302055), we get a palindrome (77322377).

The spelling of 55020322 in words is "fifty-five million, twenty thousand, three hundred twenty-two".