55005622 has 8 divisors (see below), whose sum is σ = 94295376. Its totient is φ = 23573832.

The previous prime is 55005583. The next prime is 55005623. The reversal of 55005622 is 22650055.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55005623) 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, 1964473 + ... + 1964500.

It is an arithmetic number, because the mean of its divisors is an integer number (11786922).

Almost surely, 2^55005622 is an apocalyptic number.

55005622 is a deficient number, since it is larger than the sum of its proper divisors (39289754).

55005622 is a wasteful number, since it uses less digits than its factorization.

55005622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3928982.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 55005622 is about 7416.5775125728. The cubic root of 55005622 is about 380.3082033309.

Adding to 55005622 its reverse (22650055), we get a palindrome (77655677).

The spelling of 55005622 in words is "fifty-five million, five thousand, six hundred twenty-two".