53422002 has 36 divisors (see below), whose sum is σ = 119910570. Its totient is φ = 17188416.

The previous prime is 53421971. The next prime is 53422003. The reversal of 53422002 is 20022435.

It can be written as a sum of positive squares in 3 ways, for example, as 36108081 + 17313921 = 6009^2 + 4161^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (53422003) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13374 + ... + 16902.

Almost surely, 2^53422002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53422002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59955285).

53422002 is an abundant number, since it is smaller than the sum of its proper divisors (66488568).

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

53422002 is a wasteful number, since it uses less digits than its factorization.

53422002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3595 (or 3563 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 53422002 is about 7309.0356409037. The cubic root of 53422002 is about 376.6228970816.

Adding to 53422002 its reverse (20022435), we get a palindrome (73444437).

The spelling of 53422002 in words is "fifty-three million, four hundred twenty-two thousand, two".