55003722 has 8 divisors (see below), whose sum is σ = 110007456. Its totient is φ = 18334572.

The previous prime is 55003709. The next prime is 55003723. The reversal of 55003722 is 22730055.

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

55003722 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 55003692 and 55003701.

It is not an unprimeable number, because it can be changed into a prime (55003723) 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, 4583638 + ... + 4583649.

It is an arithmetic number, because the mean of its divisors is an integer number (13750932).

Almost surely, 2^55003722 is an apocalyptic number.

55003722 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55003722 is a wasteful number, since it uses less digits than its factorization.

55003722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9167292.

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 55003722 is about 7416.4494200392. The cubic root of 55003722 is about 380.3038244215.

Adding to 55003722 its reverse (22730055), we get a palindrome (77733777).

The spelling of 55003722 in words is "fifty-five million, three thousand, seven hundred twenty-two".