33820054 has 4 divisors (see below), whose sum is σ = 50730084. Its totient is φ = 16910026.

The previous prime is 33820043. The next prime is 33820063. The reversal of 33820054 is 45002833.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45002833 = 163 ⋅276091.

It is a super-2 number, since 2×33820054² = 2287592105125832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8455012 + ... + 8455015.

It is an arithmetic number, because the mean of its divisors is an integer number (12682521).

Almost surely, 2^33820054 is an apocalyptic number.

33820054 is a deficient number, since it is larger than the sum of its proper divisors (16910030).

33820054 is a wasteful number, since it uses less digits than its factorization.

33820054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16910029.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 33820054 is about 5815.5011821854. The cubic root of 33820054 is about 323.3886441909.

Adding to 33820054 its reverse (45002833), we get a palindrome (78822887).

The spelling of 33820054 in words is "thirty-three million, eight hundred twenty thousand, fifty-four".