33053430 has 16 divisors (see below), whose sum is σ = 79328304. Its totient is φ = 8814240.

The previous prime is 33053381. The next prime is 33053453. The reversal of 33053430 is 3435033.

It is a junction number, because it is equal to n+sod(n) for n = 33053397 and 33053406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550861 + ... + 550920.

It is an arithmetic number, because the mean of its divisors is an integer number (4958019).

Almost surely, 2^33053430 is an apocalyptic number.

33053430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

33053430 is an abundant number, since it is smaller than the sum of its proper divisors (46274874).

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

33053430 is a wasteful number, since it uses less digits than its factorization.

33053430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101791.

The product of its (nonzero) digits is 1620, while the sum is 21.

The square root of 33053430 is about 5749.2112502499. The cubic root of 33053430 is about 320.9264493126.

Adding to 33053430 its reverse (3435033), we get a palindrome (36488463).

The spelling of 33053430 in words is "thirty-three million, fifty-three thousand, four hundred thirty".