55501022 has 8 divisors (see below), whose sum is σ = 88148736. Its totient is φ = 26118112.

The previous prime is 55500989. The next prime is 55501027. The reversal of 55501022 is 22010555.

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

It is a junction number, because it is equal to n+sod(n) for n = 55500985 and 55501003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55501027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 816158 + ... + 816225.

It is an arithmetic number, because the mean of its divisors is an integer number (11018592).

Almost surely, 2^55501022 is an apocalyptic number.

55501022 is a deficient number, since it is larger than the sum of its proper divisors (32647714).

55501022 is a wasteful number, since it uses less digits than its factorization.

55501022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632402.

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 55501022 is about 7449.9008047087. The cubic root of 55501022 is about 381.4465226354.

Adding to 55501022 its reverse (22010555), we get a palindrome (77511577).

The spelling of 55501022 in words is "fifty-five million, five hundred one thousand, twenty-two".