33402054 has 32 divisors (see below), whose sum is σ = 77976576. Its totient is φ = 9339840.

The previous prime is 33402029. The next prime is 33402067. The reversal of 33402054 is 45020433.

It is a happy number.

It is a super-2 number, since 2×33402054² = 2231394422837832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 33402054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6487 + ... + 10434.

It is an arithmetic number, because the mean of its divisors is an integer number (2436768).

Almost surely, 2^33402054 is an apocalyptic number.

33402054 is an abundant number, since it is smaller than the sum of its proper divisors (44574522).

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

33402054 is a wasteful number, since it uses less digits than its factorization.

33402054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16980.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 33402054 is about 5779.4510119907. The cubic root of 33402054 is about 322.0508066379.

Adding to 33402054 its reverse (45020433), we get a palindrome (78422487).

The spelling of 33402054 in words is "thirty-three million, four hundred two thousand, fifty-four".